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