diethylene glycol phthalic anhydride polymer

Phthalic anhydride, diethylene glycol polyester

1,3-Isobenzofurandione 2,2'-oxybisethanol polymer

1,3-Isobenzofurandione, polymer with 2,2-oxybisethanol

2,2'-Dihydroxydiethyl ether, 4-cyclohexene-1,2-dicarboxylic anhydride polymer