1,3-Benzenedicarboxylic acid, polymer with 1,4-benzenedicarboxylic acid, (2Z)-2-butenedioic acid, 2,5-furandione and oxybis(propanol) 68650-96-4 Dipropylene glycol, maleic anhydride, maleic acid, isophthalic acid, terephthalic acid polymer