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