68139-70-8 C18 Unsaturated fatty acid dimer, azelaic acid, ethylenediamine, piperazine polymer Dimer fatty acid, azelaic acid, ethylenediamine, piperazine polymer Dimer fatty acid, ethylenediamine, piperazine, azelaic acid polymer Fatty acids, C18-unsatd, dimers, polymers with azelaic acid, ethylenediamine and piperazine Nonanedioic acid, polymer with 1,2-ethanediamine, fatty acids, C18 unsaturated dimers and piperazine