InChI=1S/C22H22O11/c1-29-15-3-9(4-16(30-2)19(15)27)21-17(33-22-20(28)18(26)13(25)8-31-22)7-11-12(24)5-10(23)6-14(11)32-21/h3-7,13,18,20,22,25-26,28H,8H2,1-2H3,(H2-,23,24,27)/p+1/t13-,18-,20+,22+/m0/s1