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