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1-(4′-Sulfophenyl)-3-carboxy-5-pyrazolone118-47-8 1-Phenyl-3-carbethoxy-5-pyrazolone89-33-8 2-Bromobenzoic acid hydrazide29418-67-5 2-Methoxybenzohydrazide7466-54-8 Acetohydrazide1068-57-1 Acetylphenylhydrazine114-83-0 Butyrohydrazide3538-65-6 Guanabenz acetate23256-50-0 Malonic dihydrazide3815-86-9 Methyl carbazate6294-89-9 Propiohydrazide5818-15-5 Tolazamide1156-19-0 3-Hydroxy-2-naphthoic acid hydrazide5341-58-2 3,4-(Methylenedioxy)benzohydrazide22026-39-7 M-Aminobenzhydrazide14062-34-1 Nitrovin804-36-4 Pigment yellow 191129423-54-7 Pymetrozine123312-89-0 Triapine143621-35-6 1-(4-Nitrophenyl)-3-methyl-5-pyrazolone6402-09-1