Formula: C30H36O9 | Mol. Weight: 540.60 g/mol
IUPAC: [17-acetyloxy-17-(2-hydroxy-5-oxo-2H-furan-3-yl)-4,4,8,10,13-pentamethyl-3,16-dioxo-5,6,7,9,11,12-hexahydrocyclopenta[a]phenanthren-7-yl] acetate
CC(=O)OC1CC2C(C(=O)C=CC2(C3C1(C4=CC(=O)C(C4(CC3)C)(C5=CC(=O)OC5O)OC(=O)C)C)C)(C)C