The molecule is the conjugate base of alpha-mycolic acid type-3 (V'). A class of mycolic acids characterized by the presence of a proximal cis-cyclopropyl group followed by a cis C=C double bond and another distal cis-cyclopropyl group in the meromycolic chain.
(2R,3R)-2-ethyl-4-[2-[(Z)-4-(2-ethylcyclopropyl)but-2-enyl]cyclopropyl]-3-hydroxybutanoate