SMILES: CC(=O)[C@H]1CC[C@@H]2[C@@]1(C[C@@H]3[C@]4([C@H]2CCC5=CC(=O)CC[C@@]54C)O3)C
Description: The molecule is an epoxy steroid that is pregn-4-ene-3,20-dione which has an epoxy group whose oxygen is attached to the 9alpha and 11alpha-positions. It is a 20-oxo steroid, a C21-steroid, a 3-oxo-Delta(4) steroid and an epoxy steroid. It derives from a hydride of a pregnane.