Robuta

https://webbook.nist.gov/cgi/inchi/InChI%3D1S/C19H40O3Si2/c1-8-12-14-16-18-20-23(6%2C10-3)22-24(7%2C11-4)21-19(5)17-15-13-9-2/h10-11%2C19H%2C3-4%2C8-9%2C12-18H2%2C1-2%2C5-7H3 Silane, methylvinyl(hept-2-yloxy)(methylvinylhexyloxysilyloxy)- silane