Showing structure for (1r,2s,5r,8r,9r,14r,15r,17s,18r,21s,24r,26s,27s)-5,14,15-trihydroxy-2,9,26-trimethyl-3,19,23,28-tetraoxaoctacyclo[16.9.1.1¹⁸,²⁷.0¹,⁵.0²,²⁴.0⁸,¹⁷.0⁹,¹⁴.0²¹,²⁶]nonacos-11-ene-4,10,22,29-tetrone