3-Hydroxy-4-methoxy-5-(trifluoromethoxy)pyridine-2-sulfonamide
6-Hydroxy-2-methoxy-4-(trifluoromethoxy)pyridine-3-sulfonyl chloride
2-(Aminomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-Hydroxy-2-methyl-4-nitro-3-(trifluoromethoxy)pyridine