methyl 4-{2-[(4-ethoxy-4-oxo-2-phenylbutyl)amino]-1,1-difluoro-2-oxoethyl}benzoate

methyl 4-((4-(2-ethoxy-2-oxoethyl)isoquinolin-1-yl)difluoromethyl)benzoate

{1-[(4-{[2-(4-chlorophenyl)ethyl]carbamoyl}phenyl)(difluoro)methyl]isoquinolin-4-yl}acetic acid

4-{difluoro[4-(2-methoxy-2-oxoethyl)isoquinolin-1-yl]methyl}benzoic acid