1,2,4-Triazolo(3,4-a)phthalazine, 6-(1-pyrrolidinyl)-3-(2,4,5-triethoxyphenyl)- 6-(1-Pyrrolidinyl)-3-(2,4,5-triethoxyphenyl)-1,2,4-triazolo(3,4-a)phthalazine 87540-16-7 BRN 6451646