div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: New antisickling agent 34-dihydro-22-dimethyl-2H-1 benzopyran-6-butyric acid src=https:reader031fdocumentsusreader031viewer2022020523575068541a28ab0f07afa8dehtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1975pdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: New antisickling agent 34-dihydro-22-dimethyl-2H-1 benzopyran-6-butyric acid src=https:reader031fdocumentsusreader031viewer2022020523575068541a28ab0f07afa8dehtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1975pdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: New antisickling agent 34-dihydro-22-dimethyl-2H-1 benzopyran-6-butyric acid src=https:reader031fdocumentsusreader031viewer2022020523575068541a28ab0f07afa8dehtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1975pdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: New antisickling agent 34-dihydro-22-dimethyl-2H-1 benzopyran-6-butyric acid src=https:reader031fdocumentsusreader031viewer2022020523575068541a28ab0f07afa8dehtml5thumbnails4jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1975pdiv