Synonyms: 7,14-Imino-19,23-methano-1H-indolo[3'''',2'''':5''',6''']cycloocta[1''',2''':4'',5'']pyrano[3'',2'':5',6']pyrano[3',2':4,5]indolo[3,2-b]quinolizine,18-normacralstonidinium deriv.; Macralstonidine, 18-normacralstonidiniumderiv.; Macrospegatrine