Molecular meccano. 8. Cyclobis (paraquat-4,4′-biphenylene) – An organic molecular square
Molecular meccano. 8. Cyclobis (paraquat-4,4′-biphenylene) – An organic molecular square, (M. Asakawa, P. R. Ashton, S. Menzer, F. M. Raymo, J. F. Stoddart, A. J. P. White, and D. J. Williams), Chem. Eur. J. 1996, 2, 877-893.