3-氯代苯丙酮 、
2'-溴-4-氯苯乙酮 、
1,3-dimethyl-6-[4-(2-oxo-2-[4-chlorophenyl]ethyl)piperazin-1-yl]-2,4(1H,3H)-pyrimidinedione 以obtaining 2.5 g of the crystals of 1,3-dimethyl-6-[4-(2-oxo-2-[4-chlorophenyl]ethyl)piperazin-1-yl]-2,4(1H,3H)-pyrimidinedione的产率得到1,3-dimethyl-6-[4-(2-oxo-2-[4-chlorophenyl]ethyl)piperazin-1-yl]-2,4(1H,3H)-pyrimidinedione.hydrochloride