5-Chloro-3-(difluoromethyl)-4-methoxypyridine-2-carboxylic acid
3-Chloro-5-(difluoromethyl)-2-methoxypyridine-4-carboxylic acid
Ethyl 4-chloro-6-(difluoromethyl)-3-methoxypyridine-2-acetate
Ethyl 4-chloro-2-(difluoromethyl)-3-methoxypyridine-5-acetate