Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C25H36O2Si/c1-10-11-18-15-21-23(22(16-18)27-28(8%2C9)24(3%2C4)5)19-14-17(2)12-13-20(19)25(6%2C7)26-21/h12-16H%2C10-11H2%2C1-9H3 Propylcannabinol, TBDMS