Showing structure for (2s)-2-methyl-1-[3,5,11,13-tetrahydroxy-6,10-dimethyl-12-(3-methylbutanoyl)-8-oxatricyclo[7.4.0.0²,⁷]trideca-1(9),2(7),3,5,10,12-hexaen-4-yl]butan-1-one