2-(Chloromethyl)-3-methyl-5-(trifluoromethoxy)pyridine-4-carboxylic acid
3-(Chloromethyl)-2-(difluoromethyl)-5-methoxypyridine-6-carboxylic acid
2-(Chloromethyl)-6-(difluoromethyl)-4-methoxypyridine-3-methanol
6-(Chloromethyl)-2-(difluoromethyl)-4-methoxypyridine-3-carboxylic acid