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