The molecule is a mycolic acid produced by Mycobacterium tuberculosis. Its structure is that of hexacosanoic acid substituted at position 2 by a 1-hydroxy-16-{2-[14-(2-octadecylcyclopropyl)tetradecyl]cyclopropyl}hexadecyl group. It has a role as an epitope and a bacterial metabolite.
2-[1-hydroxy-16-[2-[14-(2-octadecylcyclopropyl)tetradecyl]cyclopropyl]hexadecyl]hexacosanoic acid