InChI=1S/C25H30O16S/c1-25(33)16(26)8-13-14(22(31)32)9-38-23(18(13)25)40-24-21(30)20(29)19(28)15(39-24)10-37-17(27)7-4-11-2-5-12(6-3-11)41-42(34,35)36/h2-7,9,13,15-16,18-21,23-24,26,28-30,33H,8,10H2,1H3,(H,31,32)(H,34,35,36)/b7-4+