Showing structure for (1r,2s,4s,5r,6r,10z,13r,14r)-5,6-dihydroxy-11-methyl-7-methylidene-4-[(2r)-2-methyloxiran-2-yl]-15,17,18-trioxatetracyclo[11.2.2.1²,⁶.0¹,¹⁴]octadec-10-ene-9,16-dione