Ethyl 3-amino-6-fluoro-2-(trifluoromethoxy)pyridine-4-carboxylate
Methyl 3-amino-2-hydroxy-5-(trifluoromethoxy)pyridine-4-carboxylate
Ethyl 5-amino-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
6-Amino-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-methanol