InChI=1/C17H18N2O4S/c1-10-6-7-15(11(2)8-10)24(22,23)19-17(21)13-9-12-4-3-5-14(12)18-16(13)20/h6-9H,3-5H2,1-2H3,(H,18,20)(H,19,21)/f/h18,21H 70013276C9B4555E