Ethyl 3-(aminomethyl)-2-(difluoromethyl)-6-iodopyridine-5-acetate
3-Amino-2-(bromomethyl)-6-(difluoromethyl)pyridine-4-carboxaldehyde
6-Chloro-3-(difluoromethyl)-4-methylpyridine-2-methanol
IMIdazo[1,2-a]pyridine-2-carboxylic acid, 6-Methoxy-, ethyl ester