Methyl 3-methyl-2-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-4-carboxylate
Methyl 5-methyl-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine-4-carboxylate
Methyl 3-methyl-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylate
Methyl 4-methyl-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-2-carboxylate