149990-78-3 2-Aminobenzoic acid 2-(4-(4-chlorophenyl)-2-hydroxy-1,4-dioxo-2-butenyl)hydrazide (Z) Benzoic acid, 2-amino-, 2-(4-(4-chlorophenyl)-2-hydroxy-1,4-dioxo-2-butenyl)hydrazide, (Z)-