Ethyl 2-amino-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
2-Amino-4-methoxy-3-nitro-5-(trifluoromethoxy)pyridine
2-Amino-3-methoxy-5-nitro-6-(trifluoromethoxy)pyridine
2-Amino-5-(chloromethyl)-6-(trifluoromethoxy)pyridine-3-acetic acid