SEARCH Articles Figures Tables 1,2 Benzo 3,4 dihydrocarbazole Cyclization, /3-aminoethylsulfuric acid 1,2-benzo-3,4-dihydrocarbazole from Dihydrocarbazol-4 -ones Dihydrocarbazole-3-one Dihydrocarbazoles Dihydrocarbazoles Dihydrocarbazoles synthesis Fischer indole synthesis, of 1,2-benzo3,4-dihydrocarbazole L,2-Benzo-3,4-dihydrocarbazole