1,3-Benzenedicarboxylic acid, polymer with (E)-2-butenedioic acid, 2,2-dimethyl-1,3-propanediol and cis-3a,4,7,7a-tetrahydro-1,3-isobenzofurandione
1,3-Benzenedicarboxylic acid, polymer with (E)-2-butenedioic acid, 2,2-dimethyl-1,3-propanediol and cis-3a,4,7,7a-tetrahydro-1,3-isobenzofurandione(1,3-Benzenedicarboxylic acid, polymer with (E)-2-butenedioic acid, 2,2-dimethyl-1,3-propanediol and cis-3a,4,7,7a-tetrahydro-1,3-isobenzofurandione)