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A new compound named 13b (S )-hydroxy-17c-ethoxypheaophorbide a (2) together witha known compound 17c-ethoxypheaophorbide a (1) were isolated from marine sponge Dysidea sp.collected in South China sea. The structures were elucidated by spectroscopic analysis as well ascomparison with those reported in literatures.
A new compound named 13b (S) -hydroxy-17c-ethoxypheaophorbide a (2) together witha known compound 17c-ethoxypheaophorbide a (1) were isolated from marine sponge Dysidea sp. Collected in South China sea. The structures were elucidated by spectroscopic analysis as well ascomparison with those reported in literatures.