Ethyl 4-amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxylate
5-Bromo-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetic acid
Ethyl 3-amino-5-(difluoromethyl)-6-(trifluoromethoxy)pyridine-2-carboxylate
Ethyl 3-amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxylate