Ethyl 4-(chloromethyl)-2-(difluoromethyl)-3-iodopyridine-5-carboxylate
2-(Difluoromethyl)-3-methoxy-5-methylpyridine-4-carboxylic acid
Methyl 2-(difluoromethyl)-6-methoxy-4-methylpyridine-3-acetate
Methyl 6-(chloromethyl)-4-(difluoromethyl)-2-iodopyridine-3-acetate