The molecule is the leukotriene anion that is the monoanion of leukotriene D4 arising from deprotonation of the two carboxy groups and protonation of the cysteinyl alpha-amino group. It is a leukotriene anion and a peptide anion. It is a conjugate base of a leukotriene D4.
(5S,6R,7E,9E,11Z,14Z)-6-[(2R)-2-azaniumyl-3-(carboxylatomethylamino)-3-oxopropyl]sulfanyl-5-hydroxyicosa-7,9,11,14-tetraenoate