InChI=1S/C25H24O15S/c26-15-5-1-13(9-17(15)28)3-7-21(31)38-23-18(29)11-25(24(33)34,12-19(23)30)39-22(32)8-4-14-2-6-16(27)20(10-14)40-41(35,36)37/h1-10,18-19,23,26-30H,11-12H2,(H,33,34)(H,35,36,37)/b7-3+,8-4+/t18?,19?,23?,25-