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