Pyridinium
                            Order
                            96515-36-5
                            
                                Pyridinium,1-[2-(2-methyl-5-nitro-1H-imidazol-1-yl)ethyl]-2,4,6-triphenyl-,tetrafluoroborate(1-)
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            27918-53-2
                            
                                3-amino-1-[({4-[(oxoammonio)methylidene]pyridin-1(4H)-yl}methoxy)methyl]pyridinium dichloride
                            
                        
                        
                        
                        
                        
                        
                        
                            Order
                            61334-81-4
                            
                                Pyridinium,4-(5-cyclopropyl-3-isoxazolyl)-1-[4-(4-fluorophenyl)-4-oxobutyl]-,perchlorate
                            
                        
                        
                            Order
                            33869-97-5
                            
                                1-[2-[[[3,5-dichloro-4-[[4-[(2-cyanoethyl)methylamino]phenyl]azo]phenyl]sulphonyl]amino]ethyl]pyridinium chloride
                            
                        
                        
                            Order
                            103313-22-0
                            
                                7-(2-(2-aminothiazole-4-yl)-2-methoxyiminoacetamido)-3-(imidazo(1,5-a)pyridinium-2-yl)methyl-3-cephem-4-carboxylate
                            
                        
                        
                        
                            Order
                            927691-78-9
                            
                                Pyridinium,4-[2-[4-(dimethylamino)phenyl]ethenyl]-1-[2-[(2-mercapto-1-methylethyl)methylamino]ethyl]-