Methyl 3-amino-2-(chloromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 6-amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
3-Bromo-5-chloro-4-(fluoromethyl)-2-(trifluoromethoxy)pyridine
3-Bromo-2-chloro-5-(fluoromethyl)-4-(trifluoromethoxy)pyridine