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