2,3,4,9-四氢-1H-咔唑-1-酮

9-trimethylsilyl-9H-carbazole

(E,E)-1-(3-indolyl)-4-nitro-1,3-butadiene

9-(4-chloro-3-pyridinecarbonyl)carbazole

(2-nitrophenyl) trifluoromethanesulfonate