3-Bromo-6-(difluoromethyl)-2-methoxypyridine-4-carboxaldehyde
4-Bromo-3-(difluoromethyl)-2-methyl-5-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-6-methyl-3-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-5-methyl-3-(trifluoromethyl)pyridine