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