(3S,8R,9S,10R,13S,14S,17S)-3-((tert-butyldimethylsilyl)oxy)-17-hydroxy-17-((S)-1-(2-isopentyl-1,3-dioxolan-2-yl)ethyl)-10,13-dimethyl-1,2,3,4,7,8,9,10,11,12,13,14,15,17-tetradecahydro-16H-cyclopenta[a]phenanthren-16-one

(3S,8R,9S,10R,13S,14S,16S,17S)-3-(tert-Butyl-dimethyl-silanyloxy)-10,13-dimethyl-17-{(S)-1-[2-(3-methyl-butyl)-[1,3]dioxolan-2-yl]-ethyl}-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-16,17-diol

1,2,3,4-四-O-乙酰基吡喃戊糖