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