| 
                                 AK Scientific 
                                8790CZ 
                             | 
                            200mg | 
                            $182 | 
                            1-N,1-N,4-N-Triphenyl-4-N-[4-[4-(N-[4-(N-phenylanilino)phenyl]anilino)phenyl]phenyl]benzene-1,4-diamine  | 
                             | 
                        
                        
                            | 
                                 AK Scientific 
                                8790CZ 
                             | 
                            1g | 
                            $444 | 
                            1-N,1-N,4-N-Triphenyl-4-N-[4-[4-(N-[4-(N-phenylanilino)phenyl]anilino)phenyl]phenyl]benzene-1,4-diamine  | 
                             | 
                        
                        
                            | 
                                 TCI Chemical 
                                B5117 
                             | 
                            200mg | 
                            $82 | 
                            N,N'-Bis[4-(diphenylamino)phenyl]-N,N'-diphenylbenzidine  | 
                             | 
                        
                        
                            | 
                                 TCI Chemical 
                                B5117 
                             | 
                            1g | 
                            $247 | 
                            N,N'-Bis[4-(diphenylamino)phenyl]-N,N'-diphenylbenzidine  | 
                             |