1,3,7-Trihydroxy-6-methoxy-4,5-bis-(3-methyl-but-2-enyl)-xanthen-9-one 1,3,7-Trihydroxy-6-methoxy-4,5-diisoprenylxanthone 1,3,7-trihydroxy-6-methoxy-4,5-bis(3-methylbut-2-en-1-yl)-9H-xanthen-9-one 9H-xanthen-9-one, 1,3,7-trihydroxy-6-methoxy-4,5-bis(3-methyl-2-butenyl)- Cratoxyarborenone E InChI=1/C24H26O6/c1-12(2)6-8-14-17(25)11-18(26)20-21(28)16-10-19(27)23(29-5)15(9-7-13(3)4)22(16)30-24(14)20/h6-7,10-11,25-27H,8-9H2,1-5H