17259-75-5 2,2'-((6-Hydrazino-3-pyridazinyl)imino)diethanol 27464-23-9 6-(Bis(2-hydroxyethyl)amino)-3(2H)-pyridazinone, hydrazone DL 150 L 6150 OXDRALAZINE Oxdralazina [INN-Spanish] Oxdralazine [INN] Oxdralazinum [INN-Latin]