InChI=1/C18H21N3O4S/c22-17(20-21-18(23)12-7-8-26(24,25)10-12)11-5-6-16-14(9-11)13-3-1-2-4-15(13)19-16/h5-6,9,12,19H,1-4,7-8,10H2,(H,20,22)(H,21,23)/t12-/m1/s1/f/h20-21H CE2408BB1A92F28F