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