InChI=1S/C17H19NO9S2/c18-1-2-28-17-14-12(22)6-11(21)7-13(14)26-15(16(17)27-29(23,24)25)8-3-9(19)5-10(20)4-8/h3-7,15-17,19-22H,1-2,18H2,(H,23,24,25)