5(S)-Hydroxy-6(R)-S-gamma-glutamylcysteine-7,9-trans-11,14-cis-eicosatetraenoic acid 83851-42-7 L-Cysteine, S-(1-(4-carboxy-1-hydroxybutyl)-2,4,6,9-pentadecatetraenyl)-N-L-gamma-glutamyl-, (R-(R*,S*-(E,E,Z,Z)))- LTF4 Leukotriene F-4