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