9-benzyl-1-((N,N-dimethylamino)methyl)-4-methylcarbazole-3-carbaldehyde

1-(9-benzyl-3-formyl-4-methyl-9H-carbazol-1-yl)-N,N,N-trimethylmethanaminium iodide

9-benzyl-4-methyl-2,3,4,9-tetrahydro-1H-carbazole

3,4-dihydro-4-methylcarbazol-1(2H)-one