5-Bromo-2-(difluoromethyl)-3-(trifluoromethyl)pyridine-4-carboxaldehyde
5-Bromo-3-(difluoromethyl)-2-methylpyridine-4-sulfonyl chloride
3-Bromo-5-(difluoromethyl)-2-methylpyridine-6-sulfonyl chloride
4-Bromo-3-(difluoromethyl)-6-(trifluoromethyl)pyridine-2-carboxaldehyde