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