2-Nitro-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-6-carboxamide
5-Nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-carboxamide
6-Nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxamide
2-Nitro-5-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-3-carboxamide