SMILES: C[C@]12CC[C@@H](C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3C/C(=C/O)/C(=O)O4)C)O
Description: The molecule is a naphthochromene that is hexadecahydro-2H-naphtho[2,1-f]chromen-2-one which is substituted at position 3 by a hydroxymethylene group, at position 8 by a hydroxy group, and at positions 10a and 12a by methyl groups. It is a delta-lactone, a secondary alcohol, a naphthochromene and an oxo seco-steroid.