methyl 4-methyl-2-(2-nitrophenyl)-9-phenylsulfonylcarbazole-3-carboxylate

methyl 4-(bromomethyl)-2-(2'-nitrophenyl)-9-(phenylsulfonyl)carbazole-3-carboxylate

4-(2-nitrophenyl)-6-(phenylsulfonyl)-1,2-dihydropyrrolo[3,4-c]carbazol-3(6H)-one

1',2'-dihyro-dispiro[cyclopropane-1,1'-1H-indene-3',1-cyclopropane]-2'-one

(E)-3-(2-nitrophenyl) prop-2-en-1-ol