5-((E)-2-bromovinyl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione-13C 15N2; 5-((E)-2-bromovinyl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione-13C 15N2; (E)-5-(2-Bromovinyl)-2'-deoxyuridine-13C 15N2; (E)-5-(2-Bromovinyl)deoxyuridine-13C 15N2; (E)-5-O-(2-bromoethenyl)-2'-deoxyuridine-13C 15N2; 5-[(1E)-2-Bromoethenyl]-2'-deoxyuridine-13C 15N2;5-[(E)-2-Bromoethenyl]-2'-deoxyuridine-13C 15N2; BVDU-13C 15N2; Brivudin-13C 15N2; Brivudine-13C 15N2; Bromovinyldeoxyuridine-13C 15N2; Helpin
