InChI=1/C17H20N2O5S/c1-13(17(20)18-21)19(12-14-6-4-3-5-7-14)25(22,23)16-10-8-15(24-2)9-11-16/h3-11,13,21H,12H2,1-2H3,(H,18,20)/t13-/m0/s1/f/h18H 8B4C7684500C0623