135445-76-0 5H-1,2,4-Triazolo(3,4-i)purin-5-one, 6,9-dihydro-3-(2-furanyl)-9-methyl-6-propyl- 6,9-Dihydro-9-methyl-6-n-propyl-3-(2-furyl)-5H-1,2,4-triazolo(3,4-i)purin-5-one 63-(2-Furanyl)-9-methyl-6-propyl-6,9-dihydro-5H-1,2,4-triazolo(3,4-i)purin-5-one