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2-Hydrazinocarbonyl-benzenesulfonamide

2-Hydrazinocarbonyl-pyrrolidine-1-carboxylic acid tert-butyl ester

2-Hydrazinoisonicotinic acid

2-Hydrazinomethylpyrazinehydrochloride

2-Hydrazino-n-(4-methoxyphenyl)-2-oxoacetamide

2-Hydrazino-n-(4-methylphenyl)-2-oxoacetamide

2-Hydrazino-nicotinic acid

2-Hydrazino-nicotinic acid

2-Hydrazino-nicotinonitrile

2-Hydrazino-quinolin-8-ol