4-(6-(1-Pyrrolidinyl)-1,2,4-triazolo(3,4-a)phthalazin-3-yl)phenol 87540-29-2 BRN 6437214 Phenol, 4-(6-(1-pyrrolidinyl)-1,2,4-triazolo(3,4-a)phthalazin-3-yl)-