IUPAC: 1-[(1S,3aS,3bR,5aS,7R,9aS,9bS,11aS)-7-hydroxy-9a,11a-dimethyl-hexadecahydro(1-2H)-1H-cyclopenta[a]phenanthren-1-yl](2H3)ethan-1-one

SMILES: [H][C@@]12CC[C@]([2H])(C(=O)C([2H])([2H])[2H])[C@@]1(C)CC[C@@]1([H])[C@@]2([H])CC[C@@]2([H])C[C@H](O)CC[C@]12C