Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C9H16S4/c1-4-6-10-8-9(3)12-13-11-7-5-2/h4-5%2C9H%2C1-2%2C6-8H2%2C3H3 7-methyl-4,5,6,9-tetrathia-1,11-dodecadiene methyl