1,2-Dihydro-1,5-dimethyl-2-phenyl-4-(4-quinazolinylamino)-3H-pyrazol-3-one 100330-91-4 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-phenyl-4-(4-quinazolinylamino)- Quinazopyrine