Pure Appl. Chem., 1999, Vol. 71, No. 2, pp. 247-251
http://dx.doi.org/10.1351/pac199971020247
Catenanes, rotaxanes and pretzelanes–template synthesis and chirality
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Pure Appl. Chem., 1999, Vol. 71, No. 2, pp. 247-251
http://dx.doi.org/10.1351/pac199971020247