68131-19-1 Oils, walnut, polymers with ethylene glycol, pentaerythritol and phthalic anhydride Walnut oil, ethylene glycol, pentaerythritol, phthalic anhyride polymer Walnut oil, pentaerythritol, ethylene glycol, phthalic anhydride polymer Walnut oil, pentaerythritol, ethylene glycol, phthalic anhydride resin