Ethyl 5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine-2-carboxylate
2-Hydroxy-5-methoxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride
6-(Chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-2-acetic acid
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-6-sulfonyl chloride