parabactin

Noun

 * 1)  The bacterial iron chelator (2Z,4S,5R)-N-[4-[(2,3-dihydroxybenzoyl)amino]butyl]-N-[3-[(2,3-dihydroxybenzoyl)amino]propyl]-5-methyl-2-(6-oxocyclohexa-2,4-dien-1-ylidene)-1,3-oxazolidine-4-carboxamide