4,7-Dihydro-4-methyl-2-phenylpyrazolo(1,5-a)pyrimidin-7-one 4-26-00-00498 (Beilstein Handbook Reference) 4-Methyl-2-phenyl-pyrazolo(1,5-a)pyrimidin-7(4H)-one 77494-10-1 BRN 0199777 Pyrazolo(1,5-a)pyrimidin-7(4H)-one, 4-methyl-2-phenyl-