英文名称
tert-butyl N-[3-[[(8R,9S,10S,13R,14S,17R)-17-[(2R)-5-[tert-butyl(dimethyl)silyl]oxy-6-methylheptan-2-yl]-10,13-dimethyl-7-phenylmethoxy-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl]amino]propyl]-N-[4-[(2-methylpropan-2-yl)oxycarbonylamino]butyl]carbamate