Showing structure for 2,15-dihydroxy-13,20-dimethoxy-4,7,17,22,22-pentamethyl-5,10,21,23-tetraoxahexacyclo[18.2.1.0¹,¹⁷.0⁴,¹⁶.0⁶,¹⁴.0⁸,¹²]tricosa-6(14),7,12-trien-11-one