IUPAC:(1'R,3S,3'S,7'S,12'S)-1,4',4',12',14'-pentamethyl-9',14'-diazaspiro[pyrrolidine-3,5'-tetracyclo[5.5.2.0^{1,9}.0^{3,7}]tetradecane]-2,5,13'-trione
IUPAC:(1'R,3S,3'S,7'S,12'S)-1,4',4',12',14'-pentamethyl-9',14'-diazaspiro[pyrrolidine-3,5'-tetracyclo[5.5.2.0^{1,9}.0^{3,7}]tetradecane]-2,5,13'-trione