75879-18-4 Leukotriene A methyl ester Leukotriene A4 methyl ester Lta4 ME Methyl-(11,12,14,15-(2)H4)-oxidoeicosatetraenoate Oxiranebutanoic acid, 3-(1,3,5,8-tetradecatetraenyl)-, methyl ester, (2alpha,3beta(1E,3E,5Z,8Z))-