SMILES: CC(=O)[C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C[C@H](CC[C@]34C)O)C
Description: The molecule is a 3beta-hydroxy steroid that is 4-pregnen-3beta-ol substituted by an oxo group at position 20. It is a 3beta-hydroxy steroid, a 20-oxo steroid and a C21-steroid. It derives from a progesterone.