Showing structure for (1r,3r,4s,7r,8r,11s,12r,17r,19s,23r,27r)-11-hydroxy-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-ene-5,6-dione