2,5-Dihydro-2-(4-methoxyphenyl)-3H-pyrazolo(4,3-c)quinolin-3-one 3H-Pyrazolo(4,3-c)quinolin-3-one, 2,5-dihydro-2-(4-methoxyphenyl)- 77779-50-1 Cgs 9895 Cgs-9895 NSC 373970