22750-86-3 5-22-14-00659 (Beilstein Handbook Reference) 6-((p-(Dimethylamino)phenyl)azo)quinoline 1-oxide BRN 0418788 N,N-Dimethyl-4-((6'-quinolyl-1'-oxide)azo)aniline Quinoline, 6-((p-(dimethylamino)phenyl)azo)-, 1-oxide