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