Karel J. Hartlieb, Ashish N. Basuray, Chenfeng Ke, Amy A. Sarjeant, Henri-Pierre Jacquot de Rouville, Takashi Kikuchi, Ross S. Forgan, Josh W. Kurutz, J. Fraser Stoddart. Chameleonic Binding of the Dimethyldiazaperopyrenium Dication by Cucurbit[8]uril. ASIAN JOURNAL OF ORGANIC CHEMISTRY. 2013. 2. 3. 225-229