IUPAC: (1'R,2R,5'R,7'S,17'R)-7'-hydroxy-5',7'-dimethyl-4'-methylidene-2',9'-dioxa-14'-azaspiro[oxirane-2,6'-tricyclo[9.5.1.0^{14,17}]heptadecan]-11'-ene-3',8'-dione

SMILES: C[C@@H]1C(=C)C(=O)O[C@@H]2CCN3CC=C(COC(=O)[C@@](C)(O)[C@]11CO1)[C@H]23 |t:12|