4,7-Dihydro-4-ethyl-2-phenyl-pyrazolo(1,5-a)pyrimidin-7-one 4-Ethyl-2-phenyl-pyrazolo(1,5-a)pyrimidin-7(4H)-one 4-Ethyl-4,7-dihydro-2-phenylpyrazolo(1,5-a)pyrimidin-7-one 86969-15-5 BRN 5552278 FPP 028 Pyrazolo(1,5-a)pyrimidin-7(4H)-one, 4-ethyl-2-phenyl-