InChI=1S/C21H22O11/c22-7-16-18(27)19(28)20(29)21(32-16)30-9-4-12(25)17-13(26)6-14(31-15(17)5-9)8-1-2-10(23)11(24)3-8/h1-5,14,16,18-25,27-29H,6-7H2/t14?,16-,18-,19+,20-,21+/m1/s1