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