InChI=1S/C17H18N2O10S/c1-27-17(18)30-13-8(6-4-5(20)2-3-7(6)19-13)15(26)29-16-11(23)9(21)10(22)12(28-16)14(24)25/h2-4,9-12,16,18-23H,1H3,(H,24,25)