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