Pyridinium
                            Order
                            86422-61-9
                            
                                Pyridinium, 1,1-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene) imino [6-[[3-(acetylamino)-4-[(4,8-disulfo-2-naphthalenyl)azo]phenyl]amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, dihydroxide, hexasodium salt
                            
                        
                        
                        
                        
                        
                            Order
                            83950-14-5
                            
                                4-[2-[4-[benzylmethyl(ethyl)amino]phenyl]vinyl]-1-(2-hydroxyethyl)pyridinium acetate
                            
                        
                        
                            Order
                            86422-60-8
                            
                                Pyridinium, 1,1-[1,4-phenylenebis [imino[6-[[8-hydroxy-3,6-disulfo-7-[(2-sulfophenyl)azo]-1-naphthalenyl]amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, dihydroxide, hexasodium salt
                            
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            41665-49-0
                            
                                Pyridinium, 2-[5-phenyl-2-[2-[5-phenyl-3-(2-sulfonato ethyl)benzoxazolin-2-ylidenemethyl]-1-butenyl]-3-benzoxazolio]ethansulfonate 5/2 hydrate
                            
                        
                        
                        
                        
                        
                        
                            Order
                            89797-03-5
                            
                                Pyridinium, 1,1-[(1-amino-8-hydroxy-3,6-disulfo-2,7-naphthalenediyl)bis[azo(4-sulfo-3,1-phenylene) imino[6-[(4-chloro-3-sulfophenyl)amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, dihydroxide, hexasodium salt
                            
                        
                        
                        
                        
                        
                        
                            Order
                            96873-68-6
                            
                                Pyridinium, 1,1-[sulfonylbis[3,1-phenyleneimino[6-[[3-[[3-carboxy-4,5-dihydro-5-oxo-1-(4-sulfophenyl)-1H-pyrazol-4-yl]azo]-4-sulfophenyl]amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, bis(inner salt), tetrasodium salt