Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C19H16ClN/c20-19-9-5-14(6-10-19)11-18(13-21)17-8-7-15-3-1-2-4-16(15)12-17/h5-12H%2C1-4H2/b18-11%2B p-Chlorobenzyliden-5,6,7,8-tetrahydronaphthyl-2-acetonitrile pacetonitrile