Formula: C28H38O5 | Mol. Weight: 454.60 g/mol
IUPAC: (E)-3-[(5R,7R,8R,9R,10R,13S,17S)-7-acetyloxy-4,4,8,10,13-pentamethyl-3-oxo-5,6,7,9,11,12,16,17-octahydrocyclopenta[a]phenanthren-17-yl]but-2-enoic acid
CC(=CC(=O)O)C1CC=C2C1(CCC3C2(C(CC4C3(C=CC(=O)C4(C)C)C)OC(=O)C)C)C