4-Bromo-3-(bromomethyl)-5-(difluoromethyl)pyridine-2-carboxylic acid
2-Bromo-4-(difluoromethyl)-3-(trifluoromethyl)pyridine-6-methanol
3-Bromo-6-(difluoromethyl)-4-nitropyridine-2-carboxylic acid
3-Bromo-5-(difluoromethyl)-2-(trifluoromethyl)pyridine-4-carboxylic acid