5,10-dihydrocarbazolo[3,4-c]carbazole

5,10-Dimethyl-5,10-dihydrocarbazolo[3,4-c]carbazole

5,10-Diphenyltetrahydro-1H,5H-furo[3,4-c]furo[3,4:4,5]pyrazolo[1,2-a]pyrazole-1,3,6,8(3aH)-tetrone

6-METHOXY-7,8,9,10-TETRAHYDRO-6H-[1,2,5]OXADIAZOLO[3,4-C]CARBAZOLE

2,7-dimethyl-5,10-diphenyltetrahydropyrrolo[3,4-c]pyrrolo[3,4:4,5]pyrazolo[1,2-a]pyrazole-1,3,6,8(2H,3aH,5H,7H)-tetraone

6-cyano-10-methoxy-7H-pyrido[3,4-c]carbazole

6-(bromomethyl)-10-methoxy-7H-pyrido<3,4-c>carbazole