4-Chloro-3-methoxy-5-nitro-2-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-cyano-6-fluoro-3-(trifluoromethoxy)pyridine
4-Chloro-6-methoxy-2-nitro-3-(trifluoromethoxy)pyridine
4-(Chloromethyl)-2-cyano-3-fluoro-6-(trifluoromethoxy)pyridine
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