... > chemical entity > molecular entity > main group molecular entity > p-block molecular entity > carbon group molecular entity > organic molecular entity > (1S,8R,14S)-6-hydroxy-9-oxo-15,17-diazatetracyclo[12.2.2.1(3,7).1(8,12)]icosa-3(20),4,6,10,12(19)-pentaen-15-ium(1+)