4-(6-(1-Pyrrolidinyl)-1,2,4-triazolo(3,4-a)phthalazin-3-yl)benzonitrile 87540-05-4 BENZONITRILE, 4-(6-(1-PYRROLIDINYL)-1,2,4-TRIAZOLO(3,4-a)PHTHALAZIN-3-YL)- BRN 6439699