Showing structure for (9r)-9-(2-hydroperoxypropan-2-yl)-5,14-dihydroxy-16-methoxy-15-[(1e)-3-methylbut-1-en-1-yl]-8,19-dioxatetracyclo[9.8.0.0²,⁷.0¹³,¹⁸]nonadeca-1(11),2,4,6,13,15,17-heptaen-12-one