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