Methyl 4-(chloromethyl)-6-cyano-3-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 6-bromo-2-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylate
6-Amino-2-(chloromethyl)-3-(difluoromethyl)-4-methylpyridine
Ethyl 2-(difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine-5-carboxylate