SMILES: C[C@H](CCC=C(C)C)[C@H]1CC[C@@H]2[C@@]1(CCC3=C2CC[C@@H]4[C@@]3(CCC(=O)C4C(=O)O)C)C
Description: The molecule is a 3-oxo steroid, the structure of which is that of zymosterol, carboxy-substituted at C-4, and in which the 3-hydroxy function has been oxidised to an oxo group. It derives from a zymosterol. It is a conjugate acid of a 3-dehydro-4-carboxyzymosterol(1-).