InChI=1S/C22H26O11S/c1-6-12(32-34(26,27)28)10-8-13(24)29-18-14(10)19-16(17(25)15(18)11(23)7-9(2)3)20-21(30-19)22(4,5)33-31-20/h8-9,12,20-21,25H,6-7H2,1-5H3,(H,26,27,28)