SMILES: C[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2C(=O)C[C@]4([C@H]3CC[C@@H]4C(=O)C=O)C
Description: The molecule is a C21-steroid that is progesterone carrying two additional oxo substituents at positions 11 and 21 It is a 21-oxo steroid, an 11-oxo steroid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, a C21-steroid and a steroid aldehyde. It derives from a progesterone. It derives from a hydride of a 5alpha-pregnane.