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