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