Molecular meccano 20. A novel type of isomerism in [3]catenanes
Molecular meccano 20. A novel type of isomerism in [3]catenanes, (P. R. Ashton, S. E. Boyd, C. G. Claessens, R. E. Gillard, S. Menzer, J. F. Stoddart, M. S. Tolley, A. J. P. White, and D. J. Williams), Chem. Eur. J. 1997, 3, 788-798.