5-Sulfo-1,3-benzenedicarboxylic acid, monosodium salt polymer with 1,3-benzene dicarboxylic acid, 1,4-benzenedicarboxylic acid, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol and 3-hydroxy-2,2- dimethylpropyl 3-hydroxy-2,2-dimethylpropanoate