label: 5-(N-(N-(4-azido-2,5-difluoro-3-chloropyridin-6-yl)-3-aminopropionyl)-3-aminopropen-1-yl)-2'-deoxyuridine-5'-triphosphate
label_lc: 5-(n-(n-(4-azido-2,5-difluoro-3-chloropyridin-6-yl)-3-aminopropionyl)-3-aminopropen-1-yl)-2'-deoxyuridine-5'-triphosphate