61970-35-2 65997-09-3 68333-69-7 82228-97-5 Gum rosin, maleic anhydride, pentaerythritol polymer Pentaerythritol ester of maleic anhydride adduct of rosin Pentaerythritol ester of rosin-maleic acid adduct Pentaerythritol, rosin, maleic acid polymer Rosin, maleated, polymer with pentaerythritol Rosin, maleic anhydride adduct, pentaerythritol ester Rosin, maleic anhydride, pentaerythritol polymer Rosin, maleic anhydride, pentaerythritol resin Rosin-maleic anhydride reaction product, pentaerythritol ester