label: 2,3,9-tri-O-acetyl-5,6-dideoxy-1,10-di-(N4'-pentoxycarbonyl-5'-fluoro cytosine)-4-ulose 1,4: 7,10-difuranose-4,8-pyranose
label_lc: 2,3,9-tri-o-acetyl-5,6-dideoxy-1,10-di-(n4'-pentoxycarbonyl-5'-fluoro cytosine)-4-ulose 1,4: 7,10-difuranose-4,8-pyranose