4-hydroxy-1-methyl-3-(2-nitrophenyl)quinolin-2(1H)-one

1-Methyl-3-phenyl-4-(triphenylphosphoranylidenamino)-2(1H)-chinolon

1-methyl-3-(o-aminophenyl)-1H-quinoline-2-one

1-methyl-4-phenylhydrazo-2(1H)quinolinone

5-甲基靛红