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