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