SMILES: CC(=O)O[C@H]1C[C@@]2([C@@H]3[C@@H](CC[C@@]2(C[C@H]1OC(=O)C)O)[C@]4(CC[C@@H]([C@]4(C(=O)[C@H]3O)C)C5=COC(=O)C=C5)O)C
Description: The molecule is a defensive steroid lactone that is produced by males of the species Photinus pyralis. It is a 5beta-hydroxy steroid, a steroid ester, a 14beta-hydroxy steroid, an 11alpha-hydroxy steroid, a 12-oxo steroid, a member of 2-pyranones, a steroid lactone and a secondary alpha-hydroxy ketone. It derives from a hydride of a 5beta-bufanolide.