Synonyms: METHANAMINIUM, N,N,N-TRIMETHYL-, SALT WITH 1,3,5-HEPTATRIENE-1,1,7,7-TETRACARBONITRILE (1:1);1,3,5-HEPTATRIENE-1,1,7,7-TETRACARBONITRILE, ION(1-), N,N,N-TRIMETHYLMETHANAMINIUM;N,N,N-TRIMETHYLMETHANAMINIUM 1,3,5-HEPTATRIENE-1,1,7,7-TETRACARBONITRILE