Carbazole
20b,3-(Ethaniminomethano)-9b,15-methano-13H,18H-azepino[1''',2''':1'',2'']pyrrolo[3'',2'':4',5']pyrrolo[2',3':5,6]benzofuro[2,3-b]furo[3,4-g]carbazole-25-carboxylicacid,14-ethylidene-1,3,3a,4,5,5a,6,10,11,14,15,16,17,20c-tetradecahydro-3-(1-hydroxyethyl)-
3,5-Ethano-1H-pyrido[2,3-b]carbazole,2,3,4,4a,5,10,11,11a-octahydro-2,2,5-trimethyl-, [3S-(3a,4ab,5a,11ab)]-