InChI=1S/C22H26O8/c1-12(2)10-17(24)29-15(22(3,4)25)11-28-21-19-14(8-9-27-19)18(26-5)13-6-7-16(23)30-20(13)21/h6-9,12,15,25H,10-11H2,1-5H3