Showing structure for (1s,2r,4s,5r,6s,9s,10s,11r)-2-hydroxy-2,6,11-trimethyl-7-oxo-8,12,13-trioxatetracyclo[9.2.2.0¹,¹⁰.0⁵,⁹]pentadec-14-en-4-yl 2-methylpropanoate