(Q104401233)
Statements
Marine Natural Products. XXX. Two New 3-Keto-4-methylene Steroids, Theonellasterone and Conicasterone, and a Diels-Alder Type Dimeric Steroid Bistheonellasterone, from the Okinawan Marine Sponge Theonella swinhoei. (English)
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Motomasa KOBAYASHI
Kazuyoshi KAWAZOE
Taketo KATORI
Isao KITAGAWA