Ethyl 6-(difluoromethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-2-carboxylate
2-(Chloromethyl)-6-hydroxy-5-iodo-3-(trifluoromethoxy)pyridine
Methyl 3-amino-2-chloro-4-(difluoromethyl)pyridine-6-carboxylate
5-Amino-4-methoxy-2-methyl-3-(trifluoromethoxy)pyridine