4-Iodo-6-methoxy-3-nitro-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-4-iodo-3-methoxy-2-(trifluoromethoxy)pyridine
2-(Chloromethyl)-3-iodo-4-methoxy-5-(trifluoromethoxy)pyridine
5-(Bromomethyl)-2-iodo-3-methoxy-4-(trifluoromethoxy)pyridine
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