InChI=1S/C21H30O10/c1-8-6-29-12-5-10-3-4-11(22)9(2)21(10,18(26)13(8)12)7-30-20-16(25)14(23)15(24)17(31-20)19(27)28/h6,9-11,14-18,20,22-26H,3-5,7H2,1-2H3,(H,27,28)