2-((3-(4-Methoxyphenyl)-1,2,4-triazolo(3,4-a)phthalazin-6-yl)oxy)ethanol 87540-57-6 Ethanol, 2-((3-(4-methoxyphenyl)-1,2,4-triazolo(3,4-a)phthalazin-6-yl)oxy)-