Showing structure for methyl 20-hydroxy-13-methoxy-4,7,17,22,22-pentamethyl-11-oxo-5,10,21,23-tetraoxahexacyclo[18.2.1.0¹,¹⁷.0⁴,¹⁶.0⁶,¹⁴.0⁸,¹²]tricosa-6,8(12),13-triene-2-carboxylate