SMILES: CC(=O)[C@H]1CC[C@@H]2[C@@]1(C=C[C@H]3[C@H]2CC[C@H]4[C@@]3(CCC(=O)C4)C)C
Description: The molecule is a C21-steroid that is 5beta-pregn-11-ene substituted by oxo groups at positions 3 and 20. It is a 20-oxo steroid, a C21-steroid and a 3-oxo-5beta-steroid. It derives from a hydride of a pregnane.