(2016/11/28)
(1S,3R,20S)-20-(4-triethylsilyloxy-4-methylpentanoyloxy)-1,3-bis(tert-butyldimethylsilyloxy)-9,10-secopregna-5Z,7E,10(19)-triene
(1S,3R,20S)-1,3-bis(tert-butyldimethylsilyloxy)-9,10-secopregna-5Z,7E,10(19)-trien-20-ol
1-[1,3-bis-(tert-butyldimethylsilanyloxy)-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanol
4-triethylsilyloxy-4-methylpentanoic acid