InChI=1S/C25H28O16S/c1-37-24(33)18(10-13-3-6-15(28)17(9-13)41-42(34,35)36)38-20(29)7-4-12-2-5-14(27)16(8-12)39-25-23(32)22(31)21(30)19(11-26)40-25/h2-9,18-19,21-23,25-28,30-32H,10-11H2,1H3,(H,34,35,36)/b7-4-