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