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For the first isolation and description of aplysinopsin (1), see:, R. Kazlauskas, P. T. Murphy, R. J. Quinn, R. J. Wells, Tetrahedron Lett. 1977, 18, 61-64. For the isolation of its congeners, see Ref. [1]; for a recent example, see
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The sponge S. cerebriformis was collected at the northwest coast of Panama from a depth of 2-3 m (Ref. [5a,b]); stony-coral Tubastraea sp. samples were collected in a reef environment from a depth of 3 m at Comoro Islands (Ref. [3a]), from a depth of ca. 3 m at Capsalon Island, Philippines (Ref. [6a] and [3a]), and from a depth of 12 m depth in the Hanish Islands archipelago, Yemen (Ref. [3b]). The depth was not mentioned in the description of the collection of Tubastraea sp. in the Odomari area, Kagoshima prefecture, Japan (Ref. [3a] and [4b]) and for the sponge Ianthella cf. flabelliformis, which was collected at Lonsdale wall, Port Phillip, Australia (38°17'55''S, 144°37'76''E). For the penetration of light into (tropical) sea water, see for example
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The sponge S. cerebriformis was collected at the northwest coast of Panama from a depth of 2-3 m (Ref. [5a,b]); stony-coral Tubastraea sp. samples were collected in a reef environment from a depth of 3 m at Comoro Islands (Ref. [3a]), from a depth of ca. 3 m at Capsalon Island, Philippines (Ref. [6a] and [3a]), and from a depth of 12 m depth in the Hanish Islands archipelago, Yemen (Ref. [3b]). The depth was not mentioned in the description of the collection of Tubastraea sp. in the Odomari area, Kagoshima prefecture, Japan (Ref. [3a] and [4b]) and for the sponge Ianthella cf. flabelliformis, which was collected at Lonsdale wall, Port Phillip, Australia (38°17'55''S, 144°37'76''E). For the penetration of light into (tropical) sea water, see for example:, R. P. Dunne, B. E. Brown, Mar. Ecol. Prog. Ser. 1996, 144, 109-118
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