4-Amino-2-nitro-5-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Amino-5-nitro-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
4-Amino-5-nitro-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
3-Amino-5-nitro-4-(trifluoromethoxy)-2-(trifluoromethyl)pyridine