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