div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Luis F Leloir 1906–1987 src=https:reader035vdocumentsfrreader035viewer2022080107575068791a28ab0f07b05566html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© 1988 Nature Publishing Grouppdiv