Ethyl 4-bromo-2-chloro-5-(difluoromethyl)pyridine-3-carboxylate
Methyl 2-bromo-3-hydroxy-4-(trifluoromethoxy)pyridine-6-carboxylate
5-Cyano-2-methoxy-3-nitro-4-(trifluoromethoxy)pyridine
3-Amino-2-iodo-4-(trifluoromethoxy)pyridine-6-carbonyl chloride