英文名称
4-O-[(2R)-1-[[3-[2-[(6S,8S,9S,10R,11S,13S,14S,17S)-11-[tert-butyl(dimethyl)silyl]oxy-6,10,13-trimethyl-3-oxo-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethoxy]-3-oxopropyl]amino]-4-hydroxy-3,3-dimethyl-1-oxobutan-2-yl] 1-O-methyl (E)-but-2-enedioate