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