2-Chloro-6-cyano-3-(trifluoromethoxy)pyridine-5-sulfonyl chloride
2-Chloro-6-methoxy-3-nitro-5-(trifluoromethoxy)pyridine
6-Chloro-3-methoxy-2-nitro-4-(trifluoromethoxy)pyridine
6-Chloro-3-cyano-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
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