2,5,2',5'-Tetrafluoro-4-dimethylaminoazobenzene 4-16-00-00523 (Beilstein Handbook Reference) 578-32-5 ANILINE, N,N-DIMETHYL-2,5-DIFLUORO-p-(2,5-DIFLUOROPHENYLAZO)- BRN 3431769 N,N-Dimethyl-2,5-difluoro-p-(2,5-difluorophenylazo)aniline