2,5-cyclohexadiene-1,4-dione, 2-(3,7-dimethyl-2,6-octadienyl)-6-methyl- 2-(3,7-dimethylocta-2,6-dien-1-yl)-6-methylbenzo-1,4-quinone InChI=1/C17H22O2/c1-12(2)6-5-7-13(3)8-9-15-11-16(18)10-14(4)17(15)19/h6,8,10-11H,5,7,9H2,1-4H3/b13-8