CAS No:80445-74-5||Chemical Formula:C31H50O8||Molecular Weight:550.73300||Exact Mass:550.35057||(R,Z)-2-((3R,4S,5S,8S,9S,10S,11R,13R,14S,16S)-16-acetoxy-3,11-dihydroxy-4,8,10,14-tetramethylhexadecahydro-17H-cyclopenta[a]phenanthren-17-ylidene)-5,6-dihydroxy-6-methylheptanoic acid