SMILES: CC[C@H](C)C(=O)C/C=C\\C[C@H]([C@@H](CC)C(=O)[O-])O
Description: The molecule is the conjugate base of ketomycolic acid type-3 (XIII). A class of mycolic acids characterized by the presence of a proximal cis C=C double bond and a distal oxo group and a (CH-CH3) fragment of (S) stereochemistry in the meromycolic chain.