1,2-Ethanediol, polymer with 1,4-benzenedicarboxylic acid and 1,3-bis(2-hydroxyethyl) 5-sulfo-1,3-benzenedicarboxylate monosodium salt 1,3-Benzenedicarboxylic acid, 5-sulfo-, 1,3-bis(2-hydroxyethyl) ester, monosodium salt, polymer with 1,4-benzenedicarboxylic acid and 1,2-ethanediol 1,3-Benzenedicarboxylic acid, 5-sulfo-, 1,3-bis(2-hydroxyethyl) ester, sodium salt (1:1), polymer with 1,4-benzenedicarboxylic acid and 1,2-ethanediol 1,4-Benzenedicarboxylic acid, polymer with 1,3-bis(2-hydroxyethyl) 5-sulfo-1,3-benzenedicarboxylate monosodium salt and 1,2-ethanediol Bis(2-hydroxyethyl) 5-sulfoisophthalate sodium salt-ethylene glycol-terephthalic acid copolymer Bis(2-hydroxyethyl)-5-sodiosulfoisophthalate-ethylene glycol-terephthalic acid copolymer Ethylene glycol-5-sodiosulfoisophthalic acid bis(ethylene glycol) ester-terephthalic acid copolymer Ethylene glycol-bis(ethylene glycol) 5-sodiosulfoisophthalate-terephthalic acid copolymer Ethylene glycol-ethylene glycol 5-sodioisophthalate-terephthalic acid copolymer Ethylene glycol-sodium 3,5-bis(β-hydroxyethoxycarbonyl)benzene sulfonate-terephthalic acid polymer Ethylene glycol-sodium 3,5-bis(β-hydroxyethoxycarbonyl)benzenesulfonate-terephthalic acid copolymer Ethylene glycol-sodium 3,5-bis[(2-hydroxyethoxy)carbonyl]benzenesulfonate-terephthalic acid copolymer Ethylene glycol-sodium 3,5-di(hydroxyethylcarbonyl)benzenesulfonate-terephthalic acid copolymer Ethylene glycol-sodium bis(2-hydroxyethyl) 5-sulfoisophthalate-terephthalic acid copolymer Ethylene glycol-sodium bis(2-hydroxyethyl)-5-sulfoisophthalate-terephthalic acid polymer Ethylene glycol-sodium bis(hydroxyethyl) 5-sulfoisophthalate-terephthalic acid copolymer Ethylene glycol-terephthalic acid-bis(2-hydroxyethyl) 5-sulfoisophthalate sodium salt copolymer Ethylene glycol, polyester with 1,3-bis(2-hydroxyethyl) 5-sulfoisophthalate monosodium salt and terephthalic acid Ethylene glycol, sodium 5-sulfoisophthalate (2:1), polyester with ethylene glycol and terephthalic acid Isophthalic acid, 5-sulfo-, 1,3-bis(2-hydroxyethyl) ester, monosodium salt, polyester with ethylene glycol and terephthalic acid Terephthalic acid-ethylene glycol-sodium bis(2-hydroxyethyl) 5-sulfoisophthalate copolymer Terephthalic acid, polyester with 1,3-bis(2-hydroxyethyl) sodium 5-sulfoisophthalate and ethylene glycol