3-Pyridinemethanol, 4-(hydrazinomethyl)-5-hydroxy-6-methyl-, dihydrochloride 4-(Hydrazinomethyl)-5-hydroxy-6-methyl-3-pyridinemethanol dihydrochloride Pyridoxhydrazin dihydrochlorid [German] Pyridoxydrazine dihydrochloride UT4980000