(3E)-2,2,3,4,5,5-hexamethylhex-3-ene 3-hexene, 2,2,3,4,5,5-hexamethyl-, (3E)- InChI=1/C12H24/c1-9(11(3,4)5)10(2)12(6,7)8/h1-8H3/b10-9