2',3',4',9'-tetrahydro-N,N-dimethyl-4-butyl-2'-methylcarbonyl-spiro[cyclohexane-1,1'-(1'H)-pyrido[3,4-b]indol]-4-amine 、
柠檬酸 以
乙醇 为溶剂,
以63%的产率得到2',3',4',9'-tetrahydro-N,N-dimethyl-4-butyl-2'-methylcarbonyl-spiro[cyclohexane-1,1'-(1'H)-pyrido[3,4-b]indol]-4-amine 2-hydroxy-1,2,3-propanetricarboxylate