InChI=1S/C21H24O10/c1-5-21(2,3)10-6-9-7-13(12(28-4)8-11(9)29-19(10)27)30-20-16(24)14(22)15(23)17(31-20)18(25)26/h5-8,14-17,20,22-24H,1H2,2-4H3,(H,25,26)