68552-98-7 Fatty acids, vegetable-oil, polymers with maleic anhydride, 7-oxabicyclo(4.1.0)hept-3-ylmethyl 7-oxabicyclo(4.1.0)heptane-3-carboxylate and 3a,4,7,7a-tetrahydro-1,3-isobenzofurandione Maleic anhydride, tetrahydrophthalic anhydride, vegetable oil fattyacid, 7-oxabicyclo(4.1.0)hept-3-ylmethyl 7-oxabicyclo(4.1.0)heptane-3-carboxylate polymer