1,2-Benzenedicarboxylic anhydride, p-tert-butylbenzoic acid, trimethylolethane, dehydrated castor oil polymer 66071-44-1 Castor oil, dehydrated, polymer with p-tert-butylbenzoic acid, phthalic anhydride and trimethylolethane Dehydrated castor oil, phthalic anhydride, p-tert-butylbenzoic acid, trimethanolethane polymer Dehydrated castor oil, trimethylolethane, phthalic anhydride, p-tert-butylbenzoic acid polymer