SMILES: CCC1CC1C/C=C/C(C)C[C@H]([C@@H](CC)C(=O)[O-])O
Description: The molecule is the conjugate base of alpha-mycolic acid type-2 (III). A class of mycolic acids characterized by the presence of a proximal alkenyl group with a trans C=C double bond and a distal cis-cyclopropyl group in the meromycolic chain.