3-(2-Carbethoxyhydrazino)-6-(N-(2-hydroxypropyl)methylamino)pyridazine 3-(6-((2-Hydroxypropyl)methylamino)pyridazin-3-yl)carbazic acid ethyl ester 5-25-18-00063 (Beilstein Handbook Reference) 54121-08-3 BRN 0893993 CARBAZIC ACID, 3-(6-((2-HYDROXYPROPYL)METHYLAMINO)PYRIDAZIN-3-YL)-, ETHYL ESTER Hydrazinecarboxylic acid, 2-(6-((2-hydroxypropyl)methylamino)-3-pyridazinyl)-, ethyl ester ISF 2211