Showing structure for (1s,3r,7s,9s,12s,13r,15r)-13-hydroxy-3,7,12-trimethyl-13-(prop-1-en-2-yl)-10,14,16-trioxatetracyclo[7.5.1.1³,⁶.0¹²,¹⁵]hexadec-5-ene-4,11-dione