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