IUPAC:7',19'-bis(acetyloxy)-3-oxo-3H-2'-oxaspiro[2-benzofuran-1,13'-pentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{17,22}]docosane]-1'(14'),3',5',7',9',11',15',17',19',21'-decaene-5-carboxylic acid
IUPAC:7',19'-bis(acetyloxy)-3-oxo-3H-2'-oxaspiro[2-benzofuran-1,13'-pentacyclo[12.8.0.0^{3,12}.0^{4,9}.0^{17,22}]docosane]-1'(14'),3',5',7',9',11',15',17',19',21'-decaene-5-carboxylic acid