(Ethylenedinitrilo)tetraacetonitrile 5766-67-6 Acetonitrile, (ethylenedinitrilo)tetra- Acetonitrile, 2,2',2'',2'''-(1,2-ethanediyldinitrilo)tetrakis- EDTN Ethylenediaminetetraacetonitrile N,N,N',N'-Tetracyanomethylaethylenediamin N,N,N',N'-Tetracyanomethylethylenediamine NSC49104 WLN: NC1N1CN&2N1CN&1CN