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