1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol and (9Z,12Z)-9,12-octadecadienoic acid dimer 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol and (Z,Z)-9,12-octadecadienoic acid dimer 63887-61-6