1 "Ficheiro:Molecular_Knot_Angew_1616_2000_commons.jpg".

Ficheiro:Molecular Knot Angew 1616 2000 commons.jpg

Fröhlich, Fritz Vögtle in Angewandte Chemie International Edition, Year 2000, Volume 39, Issue 9, Pages 1616-1618. It shows a molecular trefoil English...

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