4-Chloro-2-nitro-6-(trifluoromethoxy)pyridine-3-carboxamide
4-Chloro-2-nitro-5-(trifluoromethoxy)pyridine-3-carboxamide
4-Chloro-2-nitro-3-(trifluoromethoxy)pyridine-5-carboxamide
3-Chloro-5-nitro-6-(trifluoromethoxy)pyridine-2-carboxamide
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