Sulfo-Cy3 dUTP

O=P(OP(OP(O)(O[Li])=O)(O[Li])=O)(O[Li])OC[C@@H]1[C@@H](O)C[C@H](N2C(NC(C(C#CCNC(CCCCCNC(CCCCC[N+]3=C(C(C)(C4=CC(S([O-])(=O)=O)=CC=C43)C)/C=C/C=C5C(C)(C6=CC(S(=O)(O[Li])=O)=CC=C6N\5C)C)=O)=O)=C2)=O)=O)O1

[1]Wu J, et al. Synthesis and enzymatic incorporation of photolabile dUTP analogues into DNA and their applications for DNA labeling. Bioorg Med Chem. 2013 Oct 15;21 (20) :6205-11.