InChI=1S/C20H28O10/c1-11(21)5-3-2-4-10-28-19(27)12-6-8-13(9-7-12)29-20-16(24)14(22)15(23)17(30-20)18(25)26/h6-9,11,14-17,20-24H,2-5,10H2,1H3,(H,25,26)