2-Bromo-5-(fluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
5-Bromo-3-iodo-4-methoxy-2-(trifluoromethoxy)pyridine
2-Bromo-4-(fluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine
3-Bromo-5-iodo-2-methoxy-4-(trifluoromethoxy)pyridine
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