Ethyl 5-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 2-chloro-4-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-carboxylate
4-Amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine
4-(Bromomethyl)-3-(difluoromethyl)-2-iodo-5-nitropyridine