div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader042vdocumentsmxreader042viewer2022020523575068721a28ab0f07b03478html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: Supramolecular sort of small-talk src=https:reader042vdocumentsmxreader042viewer2022020523575068721a28ab0f07b03478html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© Nature Publishing Group1985pdiv