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