Formula: C31H42O8 | Mol. Weight: 542.70 g/mol
IUPAC: [(5R,6R,8R,9S,10R,13R,14S,15S)-17-[(1S)-1-[(2R)-4,5-dimethyl-6-oxo-2,3-dihydropyran-2-yl]ethyl]-6,14-dihydroxy-5-methoxy-10,13-dimethyl-1-oxo-4,6,7,8,9,11,12,15-octahydrocyclopenta[a]phenanthren-15-yl] acetate
CC1=C(C(=O)OC(C1)C(C)C2=CC(C3(C2(CCC4C3CC(C5(C4(C(=O)C=CC5)C)OC)O)C)O)OC(=O)C)C