Ethyl 3-(difluoromethyl)-2-fluoro-5-methylpyridine-6-acetate
5-(Chloromethyl)-3-(difluoromethyl)-2-fluoropyridine-4-carboxylic acid
Ethyl 2-(difluoromethyl)-5-fluoro-3-methylpyridine-4-acetate
3-(Chloromethyl)-2-(difluoromethyl)-5-fluoropyridine-4-carboxylic acid