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