Ethyl 4-fluoro-3-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
5-(Difluoromethyl)-2-hydroxy-3-iodo-4-(trifluoromethoxy)pyridine
4-(Difluoromethyl)-5-hydroxy-3-iodo-2-(trifluoromethoxy)pyridine
Methyl 5-hydroxy-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylate