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33845447547
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note
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Inquiries concerning X-ray analysis should be addressed to L. K. H. CCDC-256017 (for trans-13a), -256126 [for (1R,3R)-13b], -256018 (for trans-13b), -256939 (for trans-14a), -256889 (for cis-14b), -256937 (for cis-15a), -256938 (for trans-15a), and -256888 (for cis-15b) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/ data_request/cif.
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