Daclatasvir-13C2, d6

O=C(O[13C]([2H])([2H])[2H])N[C@@H](C(C)C)C(N1[C@H](C2=NC=C(C3=CC=C(C4=CC=C(C5=CN=C([C@H]6N(C([C@H](C(C)C)NC(O[13C]([2H])([2H])[2H])=O)=O)CCC6)N5)C=C4)C=C3)N2)CCC1)=O

[1]Russak EM, et al. Impact of Deuterium Substitution on the Pharmacokinetics of Pharmaceuticals. Ann Pharmacother. 2019 Feb;53 (2) :211-216.|[2]Min Gao, et al. Chemical genetics strategy identifies an HCV NS5A inhibitor with a potent clinical effect. Nature. 2010 May 6;465 (7294) :96-100.|[3]David B Ascher, et al. Potent hepatitis C inhibitors bind directly to NS5A and reduce its affinity for RNA. Sci Rep. 2014 Apr 23;4:4765.|[4]Tomomi Furihata, et al. Different interaction profiles of direct-acting anti-hepatitis C virus agents with human organic anion transporting polypeptides. Antimicrob Agents Chemother. 2014 Aug;58 (8) :4555-64.|[5]Seung-Hoon Lee, et al. HA1077 displays synergistic activity with daclatasvir against hepatitis C virus and suppresses the emergence of NS5A resistance-associated substitutions in mice. Sci Rep. 2018 Aug 20;8 (1) :12469.