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