Showing structure for (1r,7s,11s,13s,19s,20r,23r)-5,15,19,23-tetrahydroxy-13,20-dimethyl-8,12,21-trioxahexacyclo[17.2.2.0²,¹⁸.0⁴,¹⁶.0⁶,¹⁴.0⁷,¹¹]tricosa-2(18),4(16),5,14-tetraene-3,9,17-trione