Formula: C28H42O4 | Mol. Weight: 442.60 g/mol
IUPAC: (4S,5R)-5-ethoxy-4-[(5R,9R,10R,13S,14S,17S)-4,4,10,13,14-pentamethyl-3-oxo-1,2,5,6,9,11,12,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]oxolan-2-one
CCOC1C(CC(=O)O1)C2CCC3(C2(CCC4C3=CCC5C4(CCC(=O)C5(C)C)C)C)C