div class=trans-pagebuttonPage 1button div class=trans-image a href=https:reader040fdocumentorgreader040viewer2022020522575067e11a28ab0f07ad94f8html5page1jpg target=_blank amp-img class=trans-thumb alt=Page 1: A Colour Reaction of Diethylstilbœstrol 4·4′ dihydroxy-α β-diethylstilbene src=https:reader040fdocumentorgreader040viewer2022020522575067e11a28ab0f07ad94f8html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divp© 1940 Nature Publishing Grouppdiv