div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentbenzalcoumaranoneshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Benzalcoumaranones loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader038fdocumentpubreader038viewer2022100502575067f91a28ab0f07ae02f5html5thumbnails1jpg width=140 height=200 divp© 1951 Nature Publishing Grouppdiv