(22R,24S)-3α,6α-diacetoxy-24-carboxyethyl-5β-cholesten-22(29)-lact-23-one

(22R,23R,24S)-3α,6α,22,23-tetrahydroxyl-24-hydroxyethyl-5β-cholestene

(3R,5R,6S,8S,9S,10R,13S,14S,17R)-17-((S)-1-((4R,5S)-5-((S)-1-hydroxy-4-methylpentan-3-yl)-2,2-dimethyl-1,3-dioxolan-4-yl)ethyl)-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthrene-3,6-diol

(22R,23R,24S)-22,23-isopropylideneoxy-5β-cholestan-3,6-dione-24-carbaldehyde

3-甲基-2-丁酮