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