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