~{tert}-butyl ~{N}-[(2~{S})-1-[(2~{S},4~{R})-2-[[(1~{R},2~{R})-1-(cyclopropylsulfonylcarbamoyl)-2-ethyl-cyclopropyl]carbamoyl]-4-(3-ethyl-7-methoxy-quinoxalin-2-yl)oxy-pyrrolidin-1-yl]-3,3-dimethyl-1-oxidanylidene-butan-2-yl]carbamate

C1KIK8 — NS3 protease