2-[2-(butylthio)-3-[(1E)-2-[4-[[2-[[(1,1-diMethylethyl) diMethylsiyl]oxy]ethylaMino]phenyl]ethenyl]-5,5-diMethyl-2- cyclohexen-1-yliden]-,(2E)-acetonitrile [ 1048688-76-1 ]