IUPAC: methyl (2S,4aR,4bS,10aS,10bS,12aS)-6-hydroxy-2,4b,7,7,10a,12a-hexamethyl-12-methylidene-1,4,5,8-tetraoxo-1H,2H,4H,4aH,4bH,5H,7H,8H,9H,10H,10aH,10bH,11H,12H,12aH-phenanthro[1,2-c]pyran-2-carboxylate

SMILES: [H][C@@]12CC(=C)[C@@]3(C)C(=O)[C@](C)(OC(=O)[C@]3([H])[C@@]1(C)C(=O)C(O)=C1C(C)(C)C(=O)CC[C@@]21C)C(=O)OC