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