InChI=1/C18H22N2O4S/c1-20(12-13-6-3-2-4-7-13)18(24)16(22)15(21)17(23)19-10-9-14-8-5-11-25-14/h2-8,11,15-16,21-22H,9-10,12H2,1H3,(H,19,23)/t15-,16-/m1/s1/f/h19H 3A680236FAED5ADD