6H-benzofuro[3,2-c][1]benzopyran-3,9-diol, 6a,11a-dihydro-1-methoxy-2,8-bis(3-methyl-2-butenyl)-, (6aR,11aR)- InChI=1/C26H30O5/c1-14(2)6-8-16-10-18-19-13-30-23-12-21(28)17(9-7-15(3)4)25(29-5)24(23)26(19)31-22(18)11-20(16)27/h6-7,10-12,19,26-28H,8-9,13H2,1-5H3/t19-,26+/m0/s rel-(6aR,11aR)-1-methoxy-2,8-bis(3-methylbut-2-en-1-yl)-6a,11a-dihydro-6H-[1]benzofuro[3,2-c]chromene-3,9-diol