185701-96-6 5-Isobenzofurancarboxylic acid, 1,3-dihydro-1,3-dioxo-, polymer with 1,4-cyclohexanedimethanol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 1,3-isobenzofurandione and 2,2'-oxybis(ethanol)