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