Methyl 5-amino-4-(bromomethyl)-3-(difluoromethyl)pyridine-2-carboxylate
2-Bromo-4-(difluoromethyl)-6-methoxy-3-(trifluoromethoxy)pyridine
3-Amino-6-(difluoromethyl)-2-iodo-5-(trifluoromethoxy)pyridine
Ethyl 2-(chloromethyl)-3-fluoro-4-(trifluoromethoxy)pyridine-5-carboxylate