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