1,2-Ethylenediamine, N,N'-dicarboxymethyl-N,N'-dimethyl-, dimethochloride, dinonyl ester 21954-73-4 AMMONIUM, ETHYLENEBIS((CARBOXYMETHYL)DIMETHYL-, DICHLORIDE, DINONYL ESTER Ethylenebis((carboxymethyl)dimethylammonium), dichloride, dinonyl ester