(3S,8S,9S,10R,13S,14S,17S)-(R,Z)-5-oxopent-3-en-2-yl 3-acetoxy-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylate

cis-(4R)-4-(3β-acetoxy-5-androsten-17β-ylcarbonyloxy)-2,3-epoxypentanal

limipterin

(3S,4S)-3,4-O-isopropylidene-1-acetoxy-3,4-dihydroxypentan-2-one