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