InChI=1S/C20H24O8/c1-10(27-20-17(24)15(22)16(23)18(28-20)19(25)26)2-3-11-4-5-13-9-14(21)7-6-12(13)8-11/h4-10,15-18,20-24H,2-3H2,1H3,(H,25,26)/t10?,15-,16-,17+,18-,20?/m0/s1