Showing structure for (1s,4s,5r,8r,13s,14r,17s,18r,19s,20r)-4,5,9,9,13,19,20-heptamethyl-24-oxahexacyclo[15.5.2.0¹,¹⁸.0⁴,¹⁷.0⁵,¹⁴.0⁸,¹³]tetracos-15-ene-10,23-dione