Synonyms: 5-Methyl-1-phenyl-7-oxo-1H,7H-pyrazolo(1,5-a)pyrimidine-6-N-(2-pyridyl)carboxamide;5-Methyl-7-oxo-1-phenyl-N-2-pyridinyl-1,7-dihydropyrazolo(1,5-a)pyrimidine-6-carboxamide;Pyrazolo(1,5-a)pyrimidine-6-carboxamide, 1,7-dihydro-5-methyl-7-oxo-1-phenyl-N-2-pyridinyl-;AC1MIK5U;LS-129225;5-methyl-7-oxo-1-phenyl-N-pyridin-2-ylpyrazolo[1,5-a]pyrimidine-6-carboxamide;87948-58-1