Formula: C28H34O5 | Mol. Weight: 450.60 g/mol
IUPAC: (8S,9S,10R,13S,14S,17R)-10,13-dimethyl-17-[(1R,4R,5R)-1-methyl-8-methylidene-7-oxo-2,6-dioxabicyclo[3.3.1]nonan-4-yl]-7,8,9,11,14,15,16,17-octahydro-4H-cyclopenta[a]phenanthrene-1,12-dione
CC12CC(C(CO1)C3CCC4C3(C(=O)CC5C4CC=C6C5(C(=O)C=CC6)C)C)OC(=O)C2=C