InChI=1/C21H24O9/c1-9-17(25)18(26)19(27)21(28-9)30-16-8-13-14(24)6-12(23)7-15(13)29-20(16)10-2-4-11(22)5-3-10/h2-7,9,16-27H,8H2,1H3/t9-,16-,17-,18+,19+,20+,21-/m0/s1 A5ED9AF1E3F49471