1,3-Butadiene, polymer with 2,5-furandione 1,3-Butadiene-maleic anhydride copolymer 169941-65-5 2,5-Furandione, polymer with 1,3-butadiene 25655-35-0 Butadiene-maleic anhydride alternating polyer Butadiene-maleic anhydride alternating polymer Butadiene-maleic anhydride copolymer Butadiene-maleic anhydride graft copolymer Butadiene-maleic anhydride polymer Maldene 285 Maleic anhydride, polymer with 1,3-butadiene Maleic anhydride-butadiene copolymer Maleic anhydride-polybutadiene copolymer Maleic anhydride-polybutadiene graft copolymer NSC 148133 PB-BN 1000