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Volumn 49, Issue 3, 2006, Pages 1034-1046

SAR and mode of action of novel non-nucleoside inhibitors of hepatitis C NS5b RNA polymerase

Author keywords

[No Author keywords available]

Indexed keywords

5 (3,4 DICHLOROBENZYLIDENE) 3 (2 FLUOROBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (2 THIOPHENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (3 METHOXYBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (4 CHLOROBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (4 FLUOROBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (4 METHOXYBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (4 METHYLBENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (BENZENESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (BUTYLSULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (3,4 DICHLOROBENZYLIDENE) 3 (METHANESULFONYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 3 (BENZOYLAMINO) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 3 BENZYL 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 3 ETHYL 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 3 METHYL 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CHLOROBENZYLIDENE) 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 CYANOBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 DIMETHYLAMINOBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 FLUOROBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 METHOXYBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 METHYLBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 NITROBENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; 5 (4 NITROBENZYLIDENE) 3 METHYL 4 OXO 2 THIONOTHIAZOLIDINE; 5 (BENZYLIDENE) 3 AMINO 4 OXO 2 THIONOTHIAZOLIDINE; ENZYME INHIBITOR; NONNUCLEOSIDE RNA POLYMERASE INHIBITOR; PEGINTERFERON ALPHA2A; RIBAVIRIN; RNA POLYMERASE; UNCLASSIFIED DRUG; UNINDEXED DRUG;

EID: 32344433896     PISSN: 00222623     EISSN: None     Source Type: Journal    
DOI: 10.1021/jm050859x     Document Type: Article
Times cited : (136)

References (64)
  • 1
    • 0024509701 scopus 로고
    • Isolation of a cDNA clone derived from a blood-bourne non-A, non-B viral hepatitis genome
    • Choo, Q.-L.; Kuo, G.; Weiner, A. J.; Overby, L. R.; Bradley, D. W.; Houghton, M. Isolation of a cDNA Clone Derived from a Blood-Bourne Non-A, Non-B Viral Hepatitis Genome. Science 1989, 244, 359-362.
    • (1989) Science , vol.244 , pp. 359-362
    • Choo, Q.-L.1    Kuo, G.2    Weiner, A.J.3    Overby, L.R.4    Bradley, D.W.5    Houghton, M.6
  • 3
    • 0030928695 scopus 로고    scopus 로고
    • Hepatitis C: The clinical spectrum of disease
    • Hoofnagle, J. H. Hepatitis C: The Clinical Spectrum of Disease. Hepatology 1997, 26, 15S-20S.
    • (1997) Hepatology , vol.26
    • Hoofnagle, J.H.1
  • 4
    • 0034793847 scopus 로고    scopus 로고
    • The epidemiology and prevention of hepatocellular carcinoma
    • Monto, A.; Wright, T. L. The Epidemiology and Prevention of Hepatocellular Carcinoma. Semin. Oncol. 2001, 28, 441-449.
    • (2001) Semin. Oncol. , vol.28 , pp. 441-449
    • Monto, A.1    Wright, T.L.2
  • 5
    • 0030931156 scopus 로고    scopus 로고
    • Hepatitis C and hepatocellular carcinoma
    • Di Bisceglie, A. M. Hepatitis C and Hepatocellular Carcinoma. Hepatology 1997, 26, 34S-38S
    • (1997) Hepatology , vol.26
    • Di Bisceglie, A.M.1
  • 8
    • 0035811625 scopus 로고    scopus 로고
    • Hepatitis C virus infection
    • Lauer, G. M.; Walker, B. D. Hepatitis C Virus Infection. N. Engl. J. Med. 2001, 545, 41-52.
    • (2001) N. Engl. J. Med. , vol.545 , pp. 41-52
    • Lauer, G.M.1    Walker, B.D.2
  • 9
    • 0036982198 scopus 로고    scopus 로고
    • Inhibitors of hepatitis C virus NS3-4A protease: An overdue line of therapy
    • King, F. D., Oxford, A. W., Eds.; Elsevier Science: New York
    • Perni, R. B.; Kwong, A. D. Inhibitors of Hepatitis C Virus NS3-4A Protease: An Overdue Line of Therapy. In Progress in Medicinal Chemistry; King, F. D., Oxford, A. W., Eds.; Elsevier Science: New York, 2002; Volume 39, pp 215-255.
    • (2002) Progress in Medicinal Chemistry , vol.39 , pp. 215-255
    • Perni, R.B.1    Kwong, A.D.2
  • 10
    • 15944375092 scopus 로고    scopus 로고
    • Antiviral agents
    • Doherty, A. M., Ed.; Academic Press: San Francisco
    • Kadow, J. F.; Scola, P. M. Antiviral Agents. In Annual Reports in Medicinal Chemistry; Doherty, A. M., Ed.; Academic Press: San Francisco, 2002; Volume 37, pp 133-147.
    • (2002) Annual Reports in Medicinal Chemistry , vol.37 , pp. 133-147
    • Kadow, J.F.1    Scola, P.M.2
  • 12
    • 0035182631 scopus 로고    scopus 로고
    • ISIS-14803, Isis pharmaceuticals
    • Witherell, G. W. ISIS-14803, Isis Pharmaceuticals. Curr. Opin. Invest. Drugs. 2001, 2, 1523-1529.
    • (2001) Curr. Opin. Invest. Drugs. , vol.2 , pp. 1523-1529
    • Witherell, G.W.1
  • 13
    • 32344443519 scopus 로고    scopus 로고
    • NS5b HCV Polymerase Inhibitors. PCT Int. Appl. WO-0177091, 2001
    • Jaen, J. C.; Piper, D. E.; Powers, J. P.; Walker, N. P.; Li, Y. NS5b HCV Polymerase Inhibitors. PCT Int. Appl. WO-0177091, 2001.
    • Jaen, J.C.1    Piper, D.E.2    Powers, J.P.3    Walker, N.P.4    Li, Y.5
  • 14
    • 32344448867 scopus 로고    scopus 로고
    • Diketoacid Derivitives as Inhibitors of Polymerases. PCT Int. Appl. WO-00006529, 2000
    • Altamura, S.; Tomei, L.; Koch, U.; Neuner, P. J. S.; Summa, V. Diketoacid Derivitives as Inhibitors of Polymerases. PCT Int. Appl. WO-00006529, 2000.
    • Altamura, S.1    Tomei, L.2    Koch, U.3    Neuner, P.J.S.4    Summa, V.5
  • 16
    • 32344442323 scopus 로고    scopus 로고
    • Methods for Treating or Preventing Viral Infections and Associated Diseases. PCT Int. Appl. WO-00013708, 2000
    • Bailey, T. R.; Young, D. C. Methods for Treating or Preventing Viral Infections and Associated Diseases. PCT Int. Appl. WO-00013708, 2000.
    • Bailey, T.R.1    Young, D.C.2
  • 17
    • 32344445161 scopus 로고    scopus 로고
    • Compounds, Compositions and Methods for Treating or Preventing Viral infections and Associated Diseases. PCT Int. Appl. WO-00010573, 2000
    • Bailey, T. R.; Young, D. C. Compounds, Compositions and Methods for Treating or Preventing Viral infections and Associated Diseases. PCT Int. Appl. WO-00010573, 2000.
    • Bailey, T.R.1    Young, D.C.2
  • 18
    • 32344440569 scopus 로고    scopus 로고
    • Methods for Treating or Preventing Viral Infections and Associated Disease. PCT Int. Appl. WO-00018231, 2000
    • Young, D. C.; Bailey, T. R. Methods for Treating or Preventing Viral Infections and Associated Disease. PCT Int. Appl. WO-00018231, 2000.
    • Young, D.C.1    Bailey, T.R.2
  • 19
    • 32344450056 scopus 로고    scopus 로고
    • Preparation of Heterocyclic Compounds as Remedies for Hepatitis C. PCT Int. Appl. WO-0147883, 2001
    • Hashimoto, H.; Mizutani, K.; Yoshida, A. Preparation of Heterocyclic Compounds as Remedies for Hepatitis C. PCT Int. Appl. WO-0147883, 2001.
    • Hashimoto, H.1    Mizutani, K.2    Yoshida, A.3
  • 30
    • 6044267996 scopus 로고    scopus 로고
    • HCV NS5b RNA-dependent RNA polymerase inhibitors: From α,γ-diketoacids to 4,5-dihydroxypyrimidine- or 3-methyl-5- hydroxypyrimidinonecarboxylic acids. Design and synthesis
    • Summa, V.; Petrocchi, A.; Matassa, V. G.; Taliani, M.; Laufer, R.; De Francesco, R.; Altamura, S.; Pace, P. HCV NS5b RNA-Dependent RNA Polymerase Inhibitors: From α,γ-Diketoacids to 4,5-Dihydroxypyrimidine- or 3-Methyl-5-hydroxypyrimidinonecarboxylic acids. Design and Synthesis. J Med. Chem. 2004, 47, 5336-5339.
    • (2004) J Med. Chem. , vol.47 , pp. 5336-5339
    • Summa, V.1    Petrocchi, A.2    Matassa, V.G.3    Taliani, M.4    Laufer, R.5    De Francesco, R.6    Altamura, S.7    Pace, P.8
  • 32
    • 11144220783 scopus 로고    scopus 로고
    • Non-nucleoside benzimidazole-based allosteric inhibitors of the hepatitis C virus NS5B polymerase: Inhibition of subgenomic hepatitis C virus RNA replicons in Huh-7 cells
    • Beaulieu, P. L.; Bousquet, Y.; Gauthier, J.; Gillard, J.; Marquis, M.; McKercher, G.; Pellerin, C.; Valois, S.; Kukolj, G. Non-Nucleoside Benzimidazole-Based Allosteric Inhibitors of the Hepatitis C Virus NS5B Polymerase: Inhibition of Subgenomic Hepatitis C Virus RNA Replicons in Huh-7 Cells. J. Med. Chem. 2004, 47, 6884-6892.
    • (2004) J. Med. Chem. , vol.47 , pp. 6884-6892
    • Beaulieu, P.L.1    Bousquet, Y.2    Gauthier, J.3    Gillard, J.4    Marquis, M.5    McKercher, G.6    Pellerin, C.7    Valois, S.8    Kukolj, G.9
  • 34
    • 12144260229 scopus 로고    scopus 로고
    • Control of hepatitis C: A medicinal chemistry perspective
    • Gordon, C. P.; Keller, P. A. Control of Hepatitis C: A Medicinal Chemistry Perspective. J. Med. Chem. 2005, 48, 1-20.
    • (2005) J. Med. Chem. , vol.48 , pp. 1-20
    • Gordon, C.P.1    Keller, P.A.2
  • 35
    • 0141426816 scopus 로고    scopus 로고
    • Targeting NS5B RNA-dependent RNA polymerase for anti-HCV chemotherapy
    • Wu, J. Z.; Hong, Z. Targeting NS5B RNA-Dependent RNA Polymerase for Anti-HCV Chemotherapy. Curr. Drug Targets-Infectious Disorders 2003, 3, 207-219.
    • (2003) Curr. Drug Targets-Infectious Disorders , vol.3 , pp. 207-219
    • Wu, J.Z.1    Hong, Z.2
  • 36
    • 0030051777 scopus 로고    scopus 로고
    • Identification and properties of the RNA-dependent RNA polymerase of hepatitis C virus
    • Behrens, S.-E.; Tomei, L.; De Francesco, R. Identification and Properties of the RNA-Dependent RNA Polymerase of Hepatitis C Virus. EMBO J. 1996, 15, 12-22.
    • (1996) EMBO J. , vol.15 , pp. 12-22
    • Behrens, S.-E.1    Tomei, L.2    De Francesco, R.3
  • 40
    • 0032876683 scopus 로고    scopus 로고
    • Crystal structure of the RNA-dependent RNA polymerase from hepatitis C virus reveals a fully encircled active site
    • Lesburg, C. A.; Cable, M. B.; Ferrari, E.; Hong, Z.; Mannarino, A. F.; Weber, P. C. Crystal Structure of the RNA-Dependent RNA polymerase from Hepatitis C Virus Reveals a Fully Encircled Active Site. Nat. Struct. Biol. 1999, 6, 937-943.
    • (1999) Nat. Struct. Biol. , vol.6 , pp. 937-943
    • Lesburg, C.A.1    Cable, M.B.2    Ferrari, E.3    Hong, Z.4    Mannarino, A.F.5    Weber, P.C.6
  • 42
    • 0033956270 scopus 로고    scopus 로고
    • Biochemical characterization of a hepatitis C virus RNA-dependent RNA polymerase lacking the C-terminal hydrophobic sequence
    • Tomei, L.; Vitale, R. L.; Incitti, I.; Serafini, S.; Altamura, S.; Vitelli, A.; De Francesco, R. Biochemical Characterization of a Hepatitis C Virus RNA-Dependent RNA polymerase lacking the C-Terminal Hydrophobic Sequence. J. Gen. Virol. 2000, 81, 759-767. Unless otherwise noted in the body of the text further references to the HCV NS5b should be taken to be describing the Δ21 variant. Assays and Structural information were obtained with Δ21 NS5b with a C-terminal 10-His tag.
    • (2000) J. Gen. Virol. , vol.81 , pp. 759-767
    • Tomei, L.1    Vitale, R.L.2    Incitti, I.3    Serafini, S.4    Altamura, S.5    Vitelli, A.6    De Francesco, R.7
  • 43
    • 0029000808 scopus 로고
    • Synthesis of 3-aminorhodanine derivatives as aldose reductase inhibitors
    • Hanefeld, W.; Schlitzer, M. Synthesis of 3-Aminorhodanine Derivatives as Aldose Reductase Inhibitors. J. Heterocycl. Chem. 1995, 32, 1019-1025.
    • (1995) J. Heterocycl. Chem. , vol.32 , pp. 1019-1025
    • Hanefeld, W.1    Schlitzer, M.2
  • 44
    • 0032270521 scopus 로고    scopus 로고
    • Thermodynamics of substituted rhodanine III: Potentiometric and spectrophotometric studies of complexes of some transition metals with 3-phenylsulfonamidorhodanine
    • El-Bindary, A. A.; Ghoneim, M. M.; El-Sonbati, A. Z.; Barakat, S. A. Thermodynamics of Substituted Rhodanine III: Potentiometric and Spectrophotometric Studies of Complexes of Some Transition Metals with 3-Phenylsulfonamidorhodanine. Monatsh. Chem. 1998, 129, 1250-1265.
    • (1998) Monatsh. Chem. , vol.129 , pp. 1250-1265
    • El-Bindary, A.A.1    Ghoneim, M.M.2    El-Sonbati, A.Z.3    Barakat, S.A.4
  • 45
    • 0017344045 scopus 로고
    • A manual method for applying the Hansch approach to drug design
    • Topliss, J. G. A Manual Method for Applying the Hansch Approach to Drug Design. J. Med. Chem. 1977, 20, 463-469.
    • (1977) J. Med. Chem. , vol.20 , pp. 463-469
    • Topliss, J.G.1
  • 47
    • 0032573488 scopus 로고    scopus 로고
    • Structure of a covalently trapped catalytic complex of HIV-1 reverse transcriptase: Implications for drug resistance
    • Huang, H.; Chopra, R.; Verdine, G. L.; Harrison, S. C. Structure of a Covalently Trapped Catalytic Complex of HIV-1 Reverse Transcriptase: Implications for Drug Resistance. Science 1998, 282, 1669-1675.
    • (1998) Science , vol.282 , pp. 1669-1675
    • Huang, H.1    Chopra, R.2    Verdine, G.L.3    Harrison, S.C.4
  • 48
    • 0025748148 scopus 로고
    • Crystals of a ternary complex of human immunodeficiency virus type 1 reverse transcriptase with a monoclonal antibody fab fragment and double-stranded DNA diffract X-rays to 3.5-Å resolution
    • Jacobo-Molina, A.; Clark, A. D. Jr.; Williams, R. L.; Nanni, R. G.; Clark, P.; Ferris, A. L.; Hughes, S. H.; Arnold, E. Crystals of a ternary Complex of Human Immunodeficiency Virus Type 1 Reverse Transcriptase With a Monoclonal Antibody Fab Fragment and Double-Stranded DNA Diffract X-rays to 3.5-Å Resolution. Proc. Natl. Acad. Sci. U.S.A. 1991, 88, 10895-10899.
    • (1991) Proc. Natl. Acad. Sci. U.S.A. , vol.88 , pp. 10895-10899
    • Jacobo-Molina, A.1    Clark Jr., A.D.2    Williams, R.L.3    Nanni, R.G.4    Clark, P.5    Ferris, A.L.6    Hughes, S.H.7    Arnold, E.8
  • 49
    • 0032509101 scopus 로고    scopus 로고
    • Structure and functional implications of the polymerase active site region in a complex of HIV-1 RT with a double-stranded DNA template-primer and an antibody fab fragment at 2.8 Å resolution
    • Ding, J.; Das, K.; Hsiou, Y.; Sarafianos, S. G.; Clark, A. D. Jr.; Jacobo-Molina, A.; Tantillo, C.; Hughes, S. H.; Arnold, E. Structure and Functional Implications of the Polymerase Active Site Region in a Complex of HIV-1 RT with a Double-Stranded DNA Template-Primer and an Antibody Fab Fragment at 2.8 Å Resolution. J. Mol. Biol. 1998, 284, 1095-1111.
    • (1998) J. Mol. Biol. , vol.284 , pp. 1095-1111
    • Ding, J.1    Das, K.2    Hsiou, Y.3    Sarafianos, S.G.4    Clark Jr., A.D.5    Jacobo-Molina, A.6    Tantillo, C.7    Hughes, S.H.8    Arnold, E.9
  • 50
    • 4143147318 scopus 로고    scopus 로고
    • The crystal structure of the RNA-dependent RNA polymerase from human rhinovirus: A dual function target for common cold antiviral therapy
    • Love, R. A.; Maegly, K. A.; Yu, X.; Ferre, R. A.; Lingardo, L. K.; Diehl, W.; Parge, H. E.; Dragovich, P. S.; Fuhrman, S. A. The Crystal Structure of the RNA-Dependent RNA Polymerase from Human Rhinovirus: A Dual Function Target for Common Cold Antiviral Therapy. Structure 2004, 12, 1533-1544.
    • (2004) Structure , vol.12 , pp. 1533-1544
    • Love, R.A.1    Maegly, K.A.2    Yu, X.3    Ferre, R.A.4    Lingardo, L.K.5    Diehl, W.6    Parge, H.E.7    Dragovich, P.S.8    Fuhrman, S.A.9
  • 51
    • 23744436747 scopus 로고    scopus 로고
    • Crystal structures of the RNA-dependent RNA polymerase genotype 2a of hepatitis C virus reveal two conformations and suggest mechanisms of inhibition by non-nucleoside inhibitors
    • Biswal, B. K.; Cherney, M. M.; Wang, M.; Chan, L.; Yannopoulos, C. G.; Bilimoria, D.; Nicolas, O.; Bedard, J.; James, M. N. Crystal Structures of the RNA-Dependent RNA Polymerase Genotype 2a of Hepatitis C Virus Reveal Two Conformations and Suggest Mechanisms of Inhibition by Non-Nucleoside Inhibitors. J. Biol. Chem. 2005, 280, 18202-18210.
    • (2005) J. Biol. Chem. , vol.280 , pp. 18202-18210
    • Biswal, B.K.1    Cherney, M.M.2    Wang, M.3    Chan, L.4    Yannopoulos, C.G.5    Bilimoria, D.6    Nicolas, O.7    Bedard, J.8    James, M.N.9
  • 52
    • 32344452105 scopus 로고    scopus 로고
    • Selective irreversible tubulin binders with efficacy against multi-drug resistant tumor cells
    • Chicago, IL, Aug 26-30; ACS: Washington, DC
    • Several compounds have been reported in clinical trials which have been shown to have a mechanism of action via covalent modification involving nucleophilic aromatic substitution by Cys239 of β-tubulin. For example see: Medina, J. C.; Houze, J.; Clark, D. L.; Schwender, S.; Beckmann, H.; Bei, S. Selective Irreversible Tubulin Binders with Efficacy Against Multi-Drug Resistant Tumor Cells. Abstracts of Papers, 222nd American Chemical Society National Meeting, Chicago, IL, Aug 26-30, 2001; ACS: Washington, DC.
    • (2001) Abstracts of Papers, 222nd American Chemical Society National Meeting
    • Medina, J.C.1    Houze, J.2    Clark, D.L.3    Schwender, S.4    Beckmann, H.5    Bei, S.6
  • 53
    • 0030459837 scopus 로고    scopus 로고
    • Synthesis and biological activity of metabolites of the antidiabetic, antihyperglycemic agent pioglitazone
    • Tanis, S. P.; Parker, T. T.; Colca, J. R.; Fisher, R. M.; Kletzein, R. F. Synthesis and Biological Activity of Metabolites of the Antidiabetic, Antihyperglycemic Agent Pioglitazone. J. Med. Chem. 1996, 39, 5053-5063.
    • (1996) J. Med. Chem. , vol.39 , pp. 5053-5063
    • Tanis, S.P.1    Parker, T.T.2    Colca, J.R.3    Fisher, R.M.4    Kletzein, R.F.5
  • 55
    • 0036120573 scopus 로고    scopus 로고
    • Structural analysis of the hepatitis C virus RNA polymerase in complex with ribonucleotides
    • Bressanelli, S.; Tomei, L.; Rey, F. A.; De Francesco, R. Structural Analysis of the Hepatitis C Virus RNA Polymerase in Complex with Ribonucleotides. J. Virol. 2002, 76, 3482-3492.
    • (2002) J. Virol. , vol.76 , pp. 3482-3492
    • Bressanelli, S.1    Tomei, L.2    Rey, F.A.3    De Francesco, R.4
  • 61
    • 0031059866 scopus 로고    scopus 로고
    • Processing of X-ray diffraction data collected in oscillation mode
    • Otwinowski, Z.; Minor, W. Processing of X-ray Diffraction Data Collected in Oscillation Mode. Methods Enzymol. 1997, 276, 307-326.
    • (1997) Methods Enzymol. , vol.276 , pp. 307-326
    • Otwinowski, Z.1    Minor, W.2


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