Methyl 4-(difluoromethyl)-2-methoxy-5-nitropyridine-3-carboxylate
6-(Chloromethyl)-4-(difluoromethyl)-3-iodopyridine-2-acetic acid
5-(Difluoromethyl)-4-methoxy-2-methylpyridine-3-methanol
Ethyl 4-(chloromethyl)-6-(difluoromethyl)-3-iodopyridine-2-carboxylate