54557-89-0

3(2H)-Pyridazinone, 6-(2,3-dihydro-1,4-benzodioxin-6-yl)-4,5-dihydro- 6-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-4,5-dihydropyridazin-3(2H)-one 6-(2,3-dihydro-1,4-benzodioxin-6-yl)-2,3,4,5-tetrahydropyridazin-3-one JR-6601, 4,5-Dihydro-6-(2,3-dihydrobenzo[b][1,4]dioxin-7-yl)pyridazin-3(2H)-one, 97%