125010-17-5 3,5,7-Octatrien-2-one, 3-methyl-8-phenyl-, (E,E,E)- 3-Methyl-8-phenyl-(E,E,E)-3,5,7-octatrien-2-one 3-Methyl-8-phenyl-3,5,7-octatrien-2-one Lignarenone B