4-((p-(Dimethylamino)phenyl)azo)quinoline 1-oxide 5-22-14-00657 (Beilstein Handbook Reference) 63042-68-2 BRN 0419199 N,N-Dimethyl-4-((4'-quinolyl-1'-oxide)azo)aniline Quinoline, 4-((p-(dimethylamino)phenyl)azo)-, 1-oxide