Synonyms: 7,20-Cycloveatchan-12-one,1,15-dihydroxy-4-methyl-16-methylene-, (1a,15b)-; Songorine, N-deethyl- (8CI);12,3,6a-Ethanylylidene-9,11a-methanoazuleno[2,1-b]azocin-8(9H)-one,dodecahydro-6,11-dihydroxy-3-methyl-10-methylene-, [3R-(3a,6b,6aa,6ba,9b,11a,11ab,12a,12ab,14R*)]-; N-Deethylsongorine; Norsongorine