135445-94-2 5H-1,2,4-Triazolo(3,4-i)purin-5-one, 6,9-dihydro-3,9-dimethyl-6-propyl- 6,9-Dihydro-3,9-dimethyl-6-n-propyl-5H-1,2,4-triazolo(3,4-i)purin-5-one