IUPAC: 5-[(1R,3aS,3bR,7S,9aR,9bS,11aR)-7-{[(2R,3R,4S,5R,6S)-3,4-dihydroxy-5-methoxy-6-methyloxan-2-yl]oxy}-3a-hydroxy-9a,11a-dimethyl-1H,2H,3H,3aH,3bH,4H,5H,7H,8H,9H,9aH,9bH,10H,11H,11aH-cyclopenta[a]phenanthren-1-yl]-2H-pyran-2-one

SMILES: CO[C@H]1[C@H](C)O[C@@H](O[C@H]2CC[C@]3(C)[C@H]4CC[C@]5(C)[C@H](CC[C@]5(O)[C@@H]4CCC3=C2)c2ccc(=O)oc2)[C@H](O)[C@@H]1O |c:29|