1,2-Benzenedicarboxylic acid, polymer with (2Z)-2-butenedioic acid and 2,2′-oxybis[ethanol] 1,2-Benzenedicarboxylic acid, polymer with (Z)-2-butenedioic acid and 2,2′-oxybis[ethanol] 2-Butenedioic acid (2Z)-, polymer with 1,2-benzenedicarboxylic acid and 2,2′-oxybis[ethanol] 2-Butenedioic acid (Z)-, polymer with 1,2-benzenedicarboxylic acid and 2,2′-oxybis[ethanol] Diethylene glycol maleate phthalate polymer Diethylene glycol-maleic acid-phthalic acid copolymer Diethylene glycol-maleic acid-phthalic acid polymer Diethylene glycol, polyester with maleic acid and phthalic acid Diethylene maleate phthalate polymer Ethanol, 2,2′-oxybis-, polymer with 1,2-benzenedicarboxylic acid and (2Z)-2-butenedioic acid Ethanol, 2,2′-oxybis-, polymer with 1,2-benzenedicarboxylic acid and (Z)-2-butenedioic acid Maleic acid, polyester with diethylene glycol and phthalic acid Phthalic acid-maleic acid-diethylene glycol copolymer Phthalic acid, polyester with diethylene glycol and maleic acid PN 301 Polimal 154 Poly(diethylene glycol maleate phthalate)