scholarly journals 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.

1992 ◽  
Vol 40 (7) ◽  
pp. 1773-1778 ◽  
Author(s):  
Motomasa KOBAYASHI ◽  
Kazuyoshi KAWAZOE ◽  
Taketo KATORI ◽  
Isao KITAGAWA
1990 ◽  
Vol 38 (9) ◽  
pp. 2409-2418 ◽  
Author(s):  
Motomasa KOBAYASHI ◽  
Jun-ichi TANAKA ◽  
Taketo KATORI ◽  
Miki MATSUURA ◽  
Megumi YAMASHITA ◽  
...  

ChemInform ◽  
2010 ◽  
Vol 26 (11) ◽  
pp. no-no
Author(s):  
M. KOBAYASHI ◽  
K. KANZAKI ◽  
S. KATAYAMA ◽  
K. OHASHI ◽  
H. OKADA ◽  
...  

1994 ◽  
Vol 42 (7) ◽  
pp. 1410-1415 ◽  
Author(s):  
Motomasa KOBAYASHI ◽  
Kohji KANZAKI ◽  
Seiji KATAYAMA ◽  
Kazuyoshi OHASHI ◽  
Hironobu OKADA ◽  
...  

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