Ethyl 5-amino-4-(bromomethyl)-2-(difluoromethyl)pyridine-3-carboxylate
2-Amino-5-(difluoromethyl)-6-nitro-3-(trifluoromethyl)pyridine
Ethyl 3-amino-4-(bromomethyl)-5-(difluoromethyl)pyridine-2-carboxylate
6-Amino-4-(difluoromethyl)-2-nitro-3-(trifluoromethyl)pyridine