Ethyl 5-amino-3-cyano-4-(difluoromethyl)pyridine-2-carboxylate
3-(Chloromethyl)-4-(difluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
5-Chloro-2-iodo-3-(trifluoromethoxy)pyridine-6-sulfonamide
2-Hydroxy-4-methyl-3-nitro-6-(trifluoromethoxy)pyridine