Asunaprevir
1,1-Dimethylethyl ((1S)-1-(((2S,4R)-4-(7-chloro-4methoxyisoquinolin-1-yloxy)-2- (((1R,2S)-1-((cyclopropylsulfonyl)carbamoyl)-2-ethenylcyclopropyl)carbamoyl) pyrrolidin-1-yl)carbonyl)-2,2-dimethylpropyl)carbamate