3-Amino-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-methanol
5-Amino-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-methanol
5-Amino-3-(difluoromethyl)-4-(trifluoromethyl)pyridine-2-methanol
2-Amino-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-4-carboxylic acid