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