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