InChI=1S/C30H26O12/c1-14-24(36)28(41-22(35)11-4-15-2-7-17(31)8-3-15)26(38)30(39-14)42-29-25(37)23-20(34)12-19(33)13-21(23)40-27(29)16-5-9-18(32)10-6-16/h2-14,24,26,28,30-34,36,38H,1H3/b11-4+/t14-,24-,26+,28+,30-/m0/s1