SMILES: C[C@]12CC[C@H]3[C@H]([C@@H]1CCC2=O)CCC4=CC(=O)C=C[C@]34C
Description: The molecule is a steroid that consists of androstane having double bonds at positions 1 and 4 and two keto groups at positions 3 and 17. It is a 17-oxo steroid, a 3-oxo-Delta(4) steroid and a 3-oxo-Delta(1) steroid. It derives from a hydride of an androstane.