InChI=1/C20H21ClN2O4S/c1-12-17(19(24)27-3)18(22-20(25)23(12)10-11-26-2)16-9-8-15(28-16)13-6-4-5-7-14(13)21/h4-9,18H,10-11H2,1-3H3,(H,22,25)/t18-/m1/s1/f/h22H 7FF56750743475D0