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