2-carbazol-9-ylbenzoic acid

9-(4-苯基苯基)咔唑

9H-咔唑-2-羧酸

1,2,3,4,5,6,7,8-octachloro-9H-carbazole

2-(4-methylmorpholin-4-ium-4-yl)ethyl acetate,iodide