Showing structure for (1r,2r,5s,6r,9r,14r,15r,19s,21r)-2,5,6,10,10,14,21-heptamethyl-23-oxahexacyclo[19.2.1.0²,¹⁹.0⁵,¹⁸.0⁶,¹⁵.0⁹,¹⁴]tetracos-17-ene-11,22-dione