14493-06-2 Bicyclo[2.2.2]oct-5-ene-2,3-dicarbonitrile (8CI), trans- Bicyclo[2.2.2]oct-5-ene-2,3-dicarbonitrile (9CI), (1.alpha.,2.alpha.,3.beta.,4.alpha.)- NSC29203 TRANS-BICYCLO[2.2.2]OCT-5-ENE-2,3-DICARBONITRILE