Naphthalene
                            Order
                            20298-05-9
                            
                                trisodium 2-[[4,5-dihydro-3-methyl-5-oxo-1-[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]-1H-pyrazol-4-yl]azo]naphthalene-1,5-disulphonate
                            
                        
                        
                            Order
                            2118-39-0
                            
                                tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate
                            
                        
                        
                            Order
                            20262-58-2
                            
                                disodium 6-acetamido-4-hydroxy-3-[[4-[[2-(sulphonatooxy)ethyl]sulphonyl]phenyl]azo]naphthalene-2-sulphonate
                            
                        
                        
                            Order
                            30255-64-2
                            
                                8-(phenylamino)-5-[[4-[(5-sulpho-1-naphthyl)azo]-1-naphthyl]azo]naphthalene-1-sulphonic acid
                            
                        
                        
                        
                            Order
                            6522-86-7
                            
                                5-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-hydroxy-3-(phenylazo)naphthalene-2,7-disulphonic acid
                            
                        
                        
                        
                            Order
                            20025-74-5
                            
                                trisodium 3-[[4-[[4-[(2,5,6-trichloropyrimidin-4-yl)amino]phenyl]azo]phenyl]azo]naphthalene-1,5,7-trisulphonate
                            
                        
                        
                        
                            Order
                            25188-42-5
                            
                                7-benzamido-4-hydroxy-3-[[4-[(4-sulphophenyl)azo]phenyl]azo]naphthalene-2-sulphonic acid
                            
                        
                        
                        
                        
                            Order
                            24758-50-7
                            
                                8-(phenylamino)-5-[[4-[(3-sulphophenyl)azo]-1-naphthyl]azo]naphthalene-1-sulphonic acid