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