The molecule is an iron coordination entity, being a complex of mycobactin T with iron(III). It derives from a desferrimycobactin T.
[(3S)-1-hydroxy-3-[[(3R)-3-[(2S)-6-[hydroxy(icosanoyl)amino]-2-[[(4R)-2-(2-hydroxyphenyl)-4,5-dihydro-1,3-oxazole-4-carbonyl]amino]hexanoyl]oxybutanoyl]amino]azepan-2-ylidene]oxidanium;iron