InChI=1/C18H18N2O5S/c1-3-10-18(17(21)20-22,12-14-5-4-11-19-13-14)26(23,24)16-8-6-15(25-2)7-9-16/h1,4-9,11,13,22H,10,12H2,2H3,(H,20,21)/t18-/m0/s1/f/h20H F64A68005A41F990