Showing structure for 5,11-dihydroxy-3,7-dimethyl-8-(5-oxo-2h-furan-3-yl)-18,20,24,26,28-pentaoxaheptacyclo[15.11.0.0³,¹⁵.0⁴,¹².0⁷,¹¹.0¹⁹,²⁷.0²³,²⁷]octacos-15-en-6-one