diethyl 2-(ethoxy(1-(phenylsulfonyl)-1H-indol-2-yl)methyl)malonate

2-(dimethylaminomethyl)indole

1-(1H-indol-2-yl)-N,N,N-trimethylmethanaminium methyl sulfate

1-(methoxymethyl)-1H-indole

2-formyl-1-methoxymethylindole