3-Methoxy-4-methyl-2-(trifluoromethoxy)pyridine-6-sulfonyl chloride
Methyl 3-(fluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine-6-carboxylate
3-Methoxy-2-methyl-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
Methyl 3-(fluoromethyl)-4-methoxy-6-(trifluoromethoxy)pyridine-2-carboxylate