Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C30H50O/c1-24(2)14-11-17-27(5)20-12-18-25(3)15-9-10-16-26(4)19-13-21-28(6)22-23-29-30(7%2C8)31-29/h14-16%2C20-21%2C29H%2C9-13%2C17-19%2C22-23H2%2C1-8H3/b25-15%2B%2C26-16%2B%2C27-20%2B%2C28-21%2B Oxirane, 2,2-dimethyl-3-(3,7,12,16,20-pentamethyl-3,7,11,15,19-heneicosapentaenyl)-, (all-E)-