1,2,4-Triazolo(3,4-a)phthalazine, 3-(3,4-dimethoxyphenyl)-6-(1-pyrrolidinyl)- 3-(3,4-Dimethoxyphenyl)-6-(1-pyrrolidinyl)-1,2,4-triazolo(3,4-a)phthalazine 87540-09-8 BRN 6442084