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

SMILES: [H][C@@]12C[C@]34[C@@H](C)CCN3C[C@@]1(C[C@]1(CC(=O)N(C)C1=O)C2(C)C)N(C)C4=O |TLB:20:1:8.9:23.25|