InChI=1S/C17H19NO8S/c19-13-5-1-11(2-6-13)3-8-17(22)18-10-15(21)12-4-7-14(20)16(9-12)26-27(23,24)25/h1-2,4-7,9,15,19-21H,3,8,10H2,(H,18,22)(H,23,24,25)