N-biphenyl-4-yl-3-[4-(4-fluoro-benzoyl)-piperazin-1-yl]-3-oxo-propionamide
N-biphenyl-4-yl-3-[4-(4-chloro-2,5-difluoro-benzoyl)-piperazin-1-yl]-3-oxo-propionamide
N-Biphenyl-4-yl-3-[4-(2,5-difluoro-benzoyl)-piperazin-1-yl]-3-oxo-propionamide
N-Biphenyl-4-yl-3-(4-cyclohexanecarbonyl-piperazin-1-yl)-3-oxo-propionamide
N-Biphenyl-4-yl-3-[4-(2-methyl-benzoyl)-piperazin-1-yl]-3-oxo-propionamide