1-BUTANOL, 4-((3-(4-METHOXYPHENYL)-1,2,4-TRIAZOLO(3,4-a)PHTHALAZIN-6-YL)OXY)- 4-((3-(4-Methoxyphenyl)-1,2,4-triazolo(3,4-a)phthalazin-6-yl)oxy)butanol 87540-58-7