Ethyl 4-(fluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-carboxylate
3-(Difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
2-(Chloromethyl)-3-iodo-4-nitro-6-(trifluoromethoxy)pyridine
Ethyl 4-(fluoromethyl)-6-hydroxy-2-(trifluoromethoxy)pyridine-3-carboxylate