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3-Hydrazinoisoquinoline

3-Hydrazinopyridazine

3-Hydrazinopyridine dihydrochloride

3-Hydrazinotetrahydro-1H-1l6-thiophene-1,1-dione hydrochloride

3-Hydrazono-1-methyl-1,3-dihydro-indol-2-one

3-Hydroxy-1H-indole-2-carboxylic acid

3-Hydroxy-1H-indole-2-carboxylic acid ethyl ester

3-Hydroxy-1H-phenalen-1-one

3-Hydroxy-1-methyl-1H-pyrazole-5-carbohydrazide

3-Hydroxy-1-methylpyridazin-6(1h)-one

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