3-(2,3-Difluorophenyl)-2-mercapto-6-(trifluoromethyl)pyridine
3-Fluoro-6-methyl-2-(trifluoromethoxy)pyridine-4-acetonitrile
Ethyl 3-(aminomethyl)-2-iodo-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 2-amino-6-(bromomethyl)-5-(difluoromethyl)pyridine-3-carboxylate