EnterobactinTri-(N-(2,3-dihydroxybenzoyl)-L-serine)-esterTri-(2,3-dihydroxy-N-benzoyl-L-serine)-esterEnterobactinEnterochelin(3S-(3R*,7R*,11R*))-N,N',N''-(2,6,10-trioxo-1,5,9-trioxacyclododecane-3,7,11-triyl)tris(2,3-dihydroxybenzamide)enterobactinH6ent