1,3-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, 1,3-isobenzofurandione and (1R,4aR,4bS,10aR)-tetradecahydro-1,4a-dimethyl-7-(1-methylethyl)-1-phenanthrenemethanol 70776-80-6 Isophthalic acid, phthalic anhydride, ethylene glycol, hydroabietylalcohol polymer