3-Amino-2-(chloromethyl)-5-(difluoromethyl)pyridine-4-carboxylic acid
6-Amino-3-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-acetonitrile
Ethyl 6-amino-2-(chloromethyl)-4-(difluoromethyl)pyridine-3-carboxylate
2-Amino-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetonitrile