Showing structure for (1s,4r,7s,8r,13s,14s,16r)-13-hydroxy-10,14-dimethyl-7-(prop-1-en-2-yl)-2,3,18-trioxapentacyclo[6.6.2.2¹,⁴.0⁴,¹⁶.0¹²,¹⁵]octadeca-9,12(15)-dien-11-one