Pyrazinoic acid hydrazide768-05-8100 % similar Nicotinyl hydrazide553-53-751 % similar Pyrazinamide98-96-448 % similar Pyrazinoic acid98-97-548 % similar Pyrazine-2-carboximidamide monohydrochloride138588-41-742 % similar 2-Pyrazinecarbonyl chloride19847-10-040 % similar Acetylpyrazine22047-25-240 % similar Benzoylhydrazine613-94-538 % similar Isophthalic dihydrazide2760-98-737 % similar Methyl 2-pyrazinecarboxylate6164-79-037 % similar Bortezomib179324-69-734 % similar Aminopyrazine5049-61-634 % similar 2-Aminobenzohydrazide1904-58-134 % similar 2-Bromobenzoic acid hydrazide29418-67-534 % similar o-Hydroxylbenzhydrazide936-02-734 % similar 3-Hydroxy-2-naphthoic acid hydrazide5341-58-234 % similar 3,4-Dihydroxybenzoic acid hydrazide39635-11-533 % similar 2-Chlorobenzoic acid hydrazide5814-05-133 % similar 2-Methylbenzohydrazide7658-80-233 % similar 3-Chloro-4-methyl-2-thiophenecarboxylic acid hydrazide175137-12-933 % similar