4-[(2E)-3,7-dimethylocta-2,6-dien-1-yl]-2,3,6,8-tetrahydroxy-1-(3-methylbut-2-en-1-yl)-9H-xanthen-9-one 9H-xanthen-9-one, 4-[(2E)-3,7-dimethyl-2,6-octadienyl]-2,3,6,8-tetrahydroxy-1-(3-methyl-2-butenyl)- InChI=1/C28H32O6/c1-15(2)7-6-8-17(5)10-12-20-26(32)25(31)19(11-9-16(3)4)23-27(33)24-21(30)13-18(29)14-22(24)34-28(20)23/h7,9-10,13-14,29-32H,6,8,11-12H2,1-5H3/b17-10