IUPAC:(1S,2S,4S,5'R,6R,7S,8R,9S,12S,13R)-5',7,9,13-tetramethyl-5-oxaspiro[pentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-piperidine]-16,18-diene
IUPAC:(1S,2S,4S,5'R,6R,7S,8R,9S,12S,13R)-5',7,9,13-tetramethyl-5-oxaspiro[pentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosane-6,2'-piperidine]-16,18-diene