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