1,3-Isobenzofurandione, polymer with 2,5-furandione and 1,2,3-propanetriol, 4-(1,1-dimethylethyl)benzoate 68186-46-9 69070-56-0 Phthalic anhydride, maleic anhydride, p-tert-butylbenzoic acid, glycerol resin