6-甲基-2,3,4,9-四氢-1H-咔唑

4-甲基-N-苯基苯胺

2-iodo-N-p-tolylbenzenamine

4-methyl-N'-(3-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-ylidene)benzenesulfonohydrazide

4-methyl-N'-(6-methyl-2,3,4,9-tetrahydro-1H-carbazol-1-ylidene)benzenesulfonohydrazide