Ethyl 3-(difluoromethyl)-5-iodo-6-nitropyridine-2-carboxylate
5-(Aminomethyl)-3-(difluoromethyl)-2-iodopyridine-4-carboxylic acid
3-(Difluoromethyl)-4-iodo-2-methoxypyridine-5-methanol
2-(Aminomethyl)-6-(difluoromethyl)-4-iodopyridine-3-carboxylic acid