2-(4,5-dichloro-2-nitrophenyl)-4-hydroxy-9-(phenylsulfonyl)-9H-carbazole-3-carbaldehyde

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

(E)-3-(dimethylamino)-1-(2-(4-fluoro-2-nitrostyryl)-1-(phenylsulfonyl)-1H-indol-3-yl)prop-2-en-1-one

(E)-1-(2-(4,5-dichloro-2-nitrostyryl)-1-(phenylsulfonyl)-1H-indol-3-yl)-3-(dimethylamino)prop-2-en-1-one