3-Chloro-5-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
6-Cyano-3-fluoro-2-nitro-4-(trifluoromethoxy)pyridine
5-Chloro-4-fluoro-3-nitro-2-(trifluoromethoxy)pyridine
4-Cyano-2-iodo-3-(trifluoromethoxy)pyridine-6-methanol
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