1,3-Isobenzofurandione, polymer with 2,2-bis(hydroxymethyl)-1,3-propanediol and 2,2-dimethyl-1,3-propanediol, benzoate hexadecanoate 473452-70-9 68647-39-2 Phthalic anhydride, pentaerythritol, neopentyl glycol polymer, benzoate, hexadecanoate