SMILES: C[C@H](CCC=C(C)C)[C@H]1CC[C@@H]2[C@@]1(CCC3=C2CC[C@@H]4[C@@]3(CC[C@@H](C4C(=O)O)O)C)C
Description: The molecule is a steroid acid, the 4-carboxy derivative of zymosterol. It is a steroid acid, a 3beta-sterol and a monocarboxylic acid. It derives from a zymosterol. It is a conjugate acid of a 4-carboxyzymosterol(1-).