3-(Chloromethyl)-5-(difluoromethyl)-2-methoxypyridine-4-carboxylic acid
5-(Chloromethyl)-4-(difluoromethyl)-2-methoxypyridine-3-methanol
3-Chloro-2,5-dibromo-4-(trifluoromethoxy)pyridine
5-(Chloromethyl)-4-(difluoromethyl)-3-methoxypyridine-2-carboxylic acid