Methyl 3-(bromomethyl)-2-(difluoromethyl)-6-methoxypyridine-4-carboxylate
3-(Bromomethyl)-6-(difluoromethyl)-4-methyl-2-(trifluoromethoxy)pyridine
Methyl 3-(bromomethyl)-2-(difluoromethyl)-4-methoxypyridine-6-carboxylate
4-(Bromomethyl)-6-(difluoromethyl)-2-methoxypyridine-3-carboxylic acid