1,1,6,6-Tetracyano-2,5-dimethyl-hexadien-(1,5) 1,5-HEXADIENE-1,1,6,6-TETRACARBONITRILE, 2,5-DIMETHYL- 2,5-Dimethyl-1,5-hexadiene-1,1,6,6-tetracarbonitrile 3695-97-4 BRN 2096565 F 2394