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2-Hydrazino-5-nitro-1H-1,3-benzimidazole

2-Hydrazino-6-(trifluoromethyl)pyridine

2-Hydrazino-6-methoxy-1,3-benzothiazole

2-Hydrazino-6-methoxypyridine

2-Hydrazino-6-methyl-1,3-benzothiazole

2-Hydrazino-7-methoxy-4-methylquinoline

2-(N-Acetylamino)-6-chlorobenzoic acid

2-Hydrazinobenzoic acid

2-Hydrazinobenzoic acid methyl ester hydrochloride

2-Hydrazinocarbonyl-benzenesulfonamide