Showing structure for 5,15-dihydroxy-2,9,26-trimethyl-3,19,23,28-tetraoxaoctacyclo[16.9.1.1¹⁸,²⁷.0¹,⁵.0²,²⁴.0⁸,¹⁷.0⁹,¹⁴.0²¹,²⁶]nonacosa-11,13-diene-4,10,22,29-tetrone