12768-39-7 12768-40-0 2,5-Furandione, polymer with 1,1'-oxybis(ethene) 2,5-Furandione, polymer with 1,1'-oxybis[ethene] 27100-68-1 64296-42-0 64296-58-8 64296-59-9 74621-32-2 Divema Divinyl ether- maleic anhydride copolymer Divinyl ether- maleic anhydride copolymers Divinyl ether- maleic anhydride cyclic copolymer Divinyl ether- maleic anhydride cyclopolymer Divinyl ether- maleic anhydride polymer Maleic anhydride, polymer with vinyl ether Maleic anhydride- vinyl ether copolymer Maleic anhydride- vinyl ether polymer NSC 46015 NSC170349 Pyran Pyran NSC 46015 Pyran NSC 46015D Pyran(copolymer) Replaced CAS registry number(s): 12768-38-6 Vinyl ether- maleic anhydride copolymer Vinyl ether- maleic anhydride polymer