1,3-Benzenedicarboxylic acid, 5-sulfo-, monolithium salt, polymer with 1,3-benzenedicarboxylic acid, 1,4-cyclohexanedimethanol and 2,2'-oxybis(ethanol) 71383-08-9 Isophthalic acid, 5-lithiosulfoisophthalic acid, diethylene glycol,and 1,4-cyclohexanedimethanol polymer