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