1,3,5-trimethyl-2-[(1E)-4-phenylbut-1-en-3-yn-1-yl]benzene InChI=1/C19H18/c1-15-13-16(2)19(17(3)14-15)12-8-7-11-18-9-5-4-6-10-18/h4-6,8-10,12-14H,1-3H3/b12-8 benzene, 1,3,5-trimethyl-2-[(1E)-4-phenyl-1-buten-3-ynyl]-