InChI=1S/C21H24O10/c1-10-5-12(22)7-14(23)17(10)19(27)31-15-6-11-8-21(29,4-3-16(24)25)30-9-13(11)18(26)20(15,2)28/h5,7,15,22-23,28-29H,3-4,6,8-9H2,1-2H3,(H,24,25)/t15-,20-,21-/m0/s1