Methyl 3-amino-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-6-carboxylate
Ethyl 5-amino-2-(chloromethyl)-4-(trifluoromethoxy)pyridine-3-carboxylate
Ethyl 4-amino-5-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-carboxylate
Methyl 3-amino-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-5-carboxylate