Synonyms: 3-Aza-3,6-cyclo-A-homopregnan-21-oicacid, 6,16-dihydroxy-, g-lactone, (3a,5b,6b,16b)-; Cycloneosamandaridine (7CI);2H-6,9-Ethanofuro[3',2':1,2]indeno[5,4-f]indol-2-one,hexadecahydro-9a-hydroxy-3b,6-dimethyl-, [3aR-(3aa,3bb,5aa,6a,6ab,9a,9ab,10ab,10ba,11aa)]-