The molecule is a cyclic hydroxamic acid secreted by Mycobacterium tuberculosis which is lipid-soluble and acts as a siderophore. It has a role as a siderophore. It is a member of 1,3-oxazoles, a lactam, a carboxylic ester and a cyclic hydroxamic acid.
[(2R)-4-[[(3S)-1-hydroxy-2-oxoazepan-3-yl]amino]-4-oxobutan-2-yl] (2S)-6-[hydroxy(icosanoyl)amino]-2-[[(4S)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-oxazole-4-carbonyl]amino]hexanoate