2-(N-methyl-3-amino-propyl)-6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline 、
3-(3-chloro-propyl)-pyridine-N-oxide 以33%的产率得到2-[N-Methyl-N-(3-(pyridin-3-yl-N-oxide)-propyl)-3-amino-propyl]-6,7-dimethoxy-1-oxo-1,2,3,4-tetrahydro-isoquinoline dihydrochloride