1-(tert-Butylamino)-3-(2-(6-hydrazino-3-pyridazinyl)phenoxy)-2-propanol 3(2H)-Pyridazinone, 6-(2-(3-((1,1-dimethylethyl)amino)-2-hydroxypropoxy)phenyl)-, hydrazone, dihydrochloride, (+-)- 3-(2-(3-t-Butylamino-2-hydroxy-propoxy)phenyl)-6-hydrazinopyridazine 6-(2-(3-((1,1-Dimethylethyl)amino)-2-hydroxypropoxy)phenyl)-3(2H)-pyridazinone hydrazone dihydrochloride 63642-19-3 73793-66-5 Dl-3-(2-(3-t-Butylamino-2-hydroxypropoxy)phenyl)-6-hydrazinopyridazine SK&F 92657 SKF 92657