Methyl 5-hydroxy-2-methoxy-3-(trifluoromethoxy)pyridine-6-acetate
2-Hydroxy-4-methoxy-3-(trifluoromethoxy)pyridine-5-acetic acid
Methyl 4-hydroxy-3-methoxy-6-(trifluoromethoxy)pyridine-2-acetate
3-Hydroxy-6-methoxy-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride