1-Phenyl-7-oxo-1H,7H-pyrazolo(1,5-a)pyrimidine-6-N-(4-pyridyl)carboxamide 7-Oxo-1-phenyl-N-4-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide 87949-25-5 Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-7-oxo-1-phenyl-N-4-pyridinyl-