InChI=1S/C21H28O9/c1-8-7-28-12-6-10-4-5-11(22)9(2)21(10,3)18(13(8)12)30-20-16(25)14(23)15(24)17(29-20)19(26)27/h7,10-11,14-18,20,22-25H,2,4-6H2,1,3H3,(H,26,27)