Butene
                            Order
                            66507-71-9
                            
                                Ethanol, 2,2,2-nitrilotris-, compd. with 1,4-dichloro-2-butene polymer with N,N,N,N-tetramethyl-2-butene-1,4-diamine (2:1)
                            
                        
                        
                        
                        
                        
                        
                        
                        
                        
                        
                            Order
                            102479-87-8
                            
                                Gases (petroleum),extractive, C3-5, butene-isobutylene-rich, reaction products with butene,isobutylene and methanol, distn. residues
                            
                        
                        
                            Order
                            202409-83-4
                            
                                Cyclopentene, polymer with 1,3-butadiene, 2-methyl-1,3-butadiene, 2-methyl-1-butene, 3-methyl-1-butene, 1,3-pentadiene and 1-pentene
                            
                        
                        
                        
                        
                        
                            Order
                            9043-62-3
                            
                                1,3-Butadiene, polymer with 1-butene, (2E)-2-butene, (2Z)-2-butene and 2-methyl-1-propene
                            
                        
                        
                            Order
                            68444-24-6
                            
                                4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, polymer with cyclopentene, 1-hexene, 2-hexene, 2-methyl-1,3-butadiene, 2-methyl-1-butene, 2-methyl-2-butene, 4-methyl-2-pentene, 1,3-pentadiene and 2-pentene
                            
                        
                        
                        
                        
                            Order
                            68226-99-3
                            
                                2,5-Furandione, polymer with 1,3-butadiene, 1-butene, (2E)-2-butene, (2Z)-2-butene and 2-methyl-1-propene