(E)-1-(2-(2-nitrostyryl)-1-(phenylsulfonyl)-1H-indol-3-yl)ethanone

4-hydroxy-2-(2-nitrophenyl)-9-(phenylsulfonyl)-9H-carbazole-3-carbaldehyde

1-[2-methyl-1-(phenylsulfonyl)-1H-indol-3-yl]propan-1-one

1-[2-(bromomethyl)-1-(phenylsulfonyl)-1H-indol-3-yl]propan-1-one

5-methoxymethoxy-11,12-bis-methoxymethyl-11,12-dihydro-11,12-diaza-indeno[2,1-a]fluorene