Formula: C31H38O10 | Mol. Weight: 570.60 g/mol
IUPAC: [(5R,6R,7S,8R,9R,10S,11S,12R,13S,17R)-12-acetyloxy-17-(2,5-dioxofuran-3-yl)-6-hydroxy-11-methoxy-4,4,8,10,13-pentamethyl-3-oxo-5,6,7,9,11,12,16,17-octahydrocyclopenta[a]phenanthren-7-yl] acetate
CC(=O)OC1C(C2C(C(=O)C=CC2(C3C1(C4=CCC(C4(C(C3OC)OC(=O)C)C)C5=CC(=O)OC5=O)C)C)(C)C)O