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%2bFuran%2bis%2ba%2bheterocyclic%2borganic%2bcompound%252C%2bconsisting%2bof%2ba%2bfive-membered%2baromatic%2bring%2bwith%2bfour%2bcarbon%2batoms%2band%2bone%2boxygen..jpg&cdnurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR.133b700f2b73b38156235a068b9dfcf9%3frik%3d4BEX0asGDO5AlA%26pid%3dImgRaw%26r%3d0&exph=768&expw=1024&q=Furan+Types&simid=608035291212089751&FORM=IRPRST&ck=05CEFE412A0D2DA5C75EDA2C472AE05F&selectedIndex=33&itb=0)
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