InChI=1/C20H23ClN2O4S/c21-14-5-1-4-13(12-14)16-7-2-10-23(16)20(27)18(25)17(24)19(26)22-9-8-15-6-3-11-28-15/h1,3-6,11-12,16-18,24-25H,2,7-10H2,(H,22,26)/t16-,17-,18-/m1/s1/f/h22H 23030E2A58898502