3-Chloro-2,5-dimethoxy-4-(trifluoromethoxy)pyridine
3,5-Dichloro-2-iodo-4-(trifluoromethoxy)pyridine
3-Chloro-4,6-dimethoxy-2-(trifluoromethoxy)pyridine
3,4-Dichloro-5-iodo-2-(trifluoromethoxy)pyridine
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