3-(N-benzyl-N-methylaminomethyl)-3,4,5,6-tetrahydro-6-oxo-1H-azepino[5,4,3-cd]indole 、
3-(N-diphenylmethyl-N-methylamino)-3,4,5,6-tetrahydro-6-oxo-1H-azepino[5,4,3-cd]indole 以can be obtained analogously to Example 3 starting from 3-[N-(diphenylmethyl)aminomethyl]-3,4,5,6-tetrahydro-6-oxo-1H-azepino[5,4,3-cd]indole (的产率得到3-[N-(diphenylmethyl)aminomethyl]-3,4,5,6-tetrahydro-6-oxo-1H-azepino[5,4,3-cd]indole