InChI=1S/C21H24O15S/c22-5-11-20(36-37(31,32)33)16(29)17(30)21(34-11)12-14(27)15(28)13(26)7-4-10(25)18(35-19(7)12)6-1-2-8(23)9(24)3-6/h1-3,10-11,16-18,20-30H,4-5H2,(H,31,32,33)