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