2,7-ditert-butyl-4,5,10,11-tetraphenyl-9-selenatricyclo[6.3.0.03,6]undeca-1,3(6),4,7,10-pentaene 、
四氰基乙烯 生成 2-[(2Z)-2-[2,5-ditert-butyl-4-(dicyanomethylidene)-7,8-diphenyl-3-bicyclo[4.2.0]octa-1,5,7-trienylidene]-1,2-diphenylethylidene]propanedinitrile