Methyl (R)-1-boc-4,4-difluoropyrrolidine-2-carboxylate

2-Fluoro-4-trifluoromethylbenzonitrile

2,4-Dibromo-1-(trifluoromethoxy)benzene

4-Bromo-2-(difluoromethyl)-1-methoxybenzene

4-Fluoro-5-nitro-2-methylbenzonitrile

tert-Butyl 3,3-difluoro-4-oxopyrrolidine-1-carboxylate