4-Bromo-6-(bromomethyl)-2-(difluoromethyl)-3-methoxypyridine
6-Bromo-2-(bromomethyl)-3-(difluoromethyl)-4-methoxypyridine
4-Bromo-3-(difluoromethyl)-2-methoxy-6-(trifluoromethyl)pyridine
4-Bromo-2-(difluoromethyl)-3-methoxy-6-(trifluoromethyl)pyridine