Lomibuvir

methyl 3-((1r,4R)-N-((1s,4S)-4-((1,3-dioxan-5-yl)oxy)cyclohexyl)-4-methylcyclohexane-1-carboxamido)-5-(3,3-dimethylbut-1-yn-1-yl)thiophene-2-carboxylate

methyl 5-iodo-3-((1r,4r)-4-methyl-N-(4-oxocyclohexyl)cyclohexanecarboxamido)thiophene-2-carboxylate