Synonyms: Boranecarbonitrile,compd. with N,N,N',N'-tetramethylethylenediamine (2:1) (8CI);1,2-Ethanediamine, N,N,N',N'-tetramethyl-, boron complex; 1,2-Ethanediamine,N,N,N',N'-tetramethyl-, compd. with boranecarbonitrile (1:2);Boranecarbonitrile, compd. with N,N,N',N'-tetramethyl-1,2-ethanediamine (2:1);Boron, bis(cyano-C)tetrahydro[m-(N,N,N',N'-tetramethyl-1,2-ethanediamine-N:N')]di-