19471-27-3 2,5-LUTIDINE, 4-((p-(DIMETHYLAMINO)PHENYL)AZO)-, 1-OXIDE 4-((p-(Dimethylamino)phenyl)azo)-2,5-lutidine 1-oxide Benzenamine, 4-((2,5-dimethyl-4-pyridinyl)azo)-N,N-dimethyl-, N-oxide (9CI) N,N-Dimethyl-4-(4'-(2',5'-dimethylpyridyl-1'-oxide)azo)aniline NSC 170675