InChI=1S/C22H24O14/c23-10-3-1-8(2-4-14(26)35-18-11(24)6-9(20(30)31)7-12(18)25)5-13(10)34-22-17(29)15(27)16(28)19(36-22)21(32)33/h1-6,11-12,15-19,22-25,27-29H,7H2,(H,30,31)(H,32,33)/b4-2+