3-benzoyl-8,9-dichloro-1,2,3,4,5,6-hexahydroazepino[4,5-b]indole 、
反式-2-丁烯酸乙酯 、
甲烷磺酸 以the title compound was obtained (mp 225-230° C. [dec.])的产率得到2,3-dichloro-6-methyl-5,6,9,10,11,12-hexahydro-4H,8H-azepino[4',5':4,5]pyrrolo[3,2,1-ij]quinolin-4-one mesylate