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