SMILES: C[C@@H]([C@H]1CC[C@@H]2[C@@]1(CC[C@H]3[C@H]2CCC4=C[C@H](CC[C@]34C)O)C)O
Description: The molecule is a C21-steroid in which a pregnane skeleton carries a beta-hydroxy group at position 3, an alpha-hydroxy group at position 20 and a double bond between positions 4 and 5. It is a C21-steroid, a 3beta-hydroxy steroid and a 20-hydroxy steroid. It derives from a progesterone.