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