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