103446-98-6 2H-Pyrazolo(3,4-d)pyrimidine-2-carboxylic acid, 7-butyl-4,5,6,7-tetrahydro-3-(methylamino)-4,6-dioxo-5-propyl-, methyl ester AA 2379 AA-2379 Methyl 7-butyl-4,5,6,7-tetrahydro-3-methylamino-4,6-dioxo-5-propyl-2-pyrazolo(3,4-d)pyrimidine-2-carboxylate