Ethyl 2-bromo-6-(difluoromethyl)-5-(trifluoromethyl)pyridine-3-acetate
2-Bromo-5-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-acetonitrile
Ethyl 2-bromo-6-(difluoromethyl)-4-(trifluoromethyl)pyridine-3-acetate
6-Bromo-4-(difluoromethyl)-2-(trifluoromethyl)pyridine-3-acetonitrile