3-Methoxy-5-nitro-2-(trifluoromethoxy)pyridine
6-(Chloromethyl)-2,3-difluoro-5-(trifluoromethoxy)pyridine
5-Iodo-3-nitro-2-(trifluoromethoxy)pyridine
3-Methoxy-4-nitro-2-(trifluoromethoxy)pyridine
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