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