2-Amino-3-fluoro-4-(trifluoromethoxy)pyridine-6-sulfonamide
2-Amino-5-(fluoromethyl)-4-methyl-3-(trifluoromethoxy)pyridine
6-Amino-3-methyl-4-(trifluoromethoxy)pyridine-2-carboxylic acid
2-Amino-5-methyl-3-(trifluoromethoxy)pyridine-4-carboxylic acid