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