Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C10H16O/c1-7-5-6-8(2)10(3%2C4)9(7)11/h5%2C8H%2C6H2%2C1-4H3 2,5,6,6-Tetramethylcyclohexe-2-en-1-one enone