4-Hydroxy-1-methyl-3-[(4-nitrophenyl)azo]-2-quinolone

4-hydroxy-3-(p-nitrophenylazo)-n-methyl-2-quinolone ; 3-(4-nitrophenylazo)-1-methyl-4-hydroxyquinolin-2(1h)-one ; 4-hydroxy-1-methyl-3-[(4-nitrophenyl)azo]-2-quinolone ; einecs 233-310-1 ; 2(1h)-quinolinone,4-hydroxy-1-methyl-3-[2-(4-nitrophenyl)diazenyl]- ; 2(1h)-quinolinone, 4-hydroxy-1-methyl-3-(2-(4-nitrophenyl)diazenyl)- ; 2(1h)-quinolinone,4-hydroxy-1-methyl-3-[(4-nitrophenyl)azo]- (9ci) ; 2(1h)-quinolinone, 4-hydroxy-1-methyl-3-((4-nitrophenyl)azo)- ; 4-hydroxy-1-methyl-3-[(4-nitrophenyl)azo]-2(1h)-quinolinone ; carbostyril, 4-hydroxy-1-methyl-3-[(p-nitrophenyl)azo]-(8ci) ; 4-hydroxy-1-methyl-3-(4-nitrophenylazo)quinolin-2(1h)-one ; 3-(4-nitrophenylazo)-4-hydroxy-1-methyl-2(1h)-quinolone ; 3-(4-nitrophenylazo)-n-methyl-4-hydroxy-2-quinolone ; 4-hydroxy-1-methyl-3-[(4-nitrophenyl)azo]-2(1h)-quinolinon