Ethyl 4-amino-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate
3-Bromo-2-(difluoromethyl)-5-hydroxy-4-(trifluoromethoxy)pyridine
Ethyl 4-amino-3-(chloromethyl)-5-(trifluoromethoxy)pyridine-2-carboxylate