135446-00-3 3-Phenyl-6-propyl-6,9-dihydro-5H-1,2,4-triazolo(3,4-i)purin-5-one 5H-1,2,4-Triazolo(3,4-i)purin-5-one, 6,9-dihydro-3-phenyl-6-propyl- 6,9-Dihydro-3-phenyl-6-n-propyl-5H-triazolo(3,4-i)purin-5-one