InChI=1/C18H19ClN2O4S/c19-16-9-7-15(8-10-16)14-5-3-13(4-6-14)12-21-17(18(22)20-23)2-1-11-26(21,24)25/h3-10,17,23H,1-2,11-12H2,(H,20,22)/t17-/m1/s1/f/h20H 5832D98D707675E8