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