Phthalic anhydride, maleic anhydride, trimethylolpropane polymer

1,3-Isobenzofurandione,polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 2,5-furandione

1,3-isobenzofurandione, polymer with2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 2,5-furandione

1,3-Isobenzofurandione, polymer with 2-ethyl-2-(hydroxymethyl)-1,3-propanediol and 2,5-furandione