5-chloro-4-[3-[N-[2-(3,4-dimethoxy-phenyl)-ethyl]-N-methylamino]-propylamino]-3-(2H)-pyridazinone 、
富马酸 在
乙醇 作用下,
以
乙醇 为溶剂,
反应 2.17h,
以Thus 4.86 g of white crystalline form I 5-chloro-4-[3-[N-[2-(3,4-dimethoxy-phenyl)-ethyl]-N-methylamino]-propylamino]-3-[2H]-pyridazinone fumarate are obtained的产率得到5-Chloro4-[3-[n-[2-(3,4-dimethoxy-phenyl)-ethyl]-n-methylamino]-propylamino]-3-[2h]-pyridazinone fumarate