Methyl 6-(difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 5-(aminomethyl)-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 5-methyl-2-nitro-4-(trifluoromethoxy)pyridine-3-acetate
Methyl 6-(difluoromethyl)-4-methoxy-3-(trifluoromethoxy)pyridine-2-carboxylate