InChI=1/C21H23ClN2O6S/c22-16-3-1-15-12-18(4-2-14(15)11-16)31(28,29)13-19(25)20(26)23-7-5-17(6-8-23)24-9-10-30-21(24)27/h1-4,11-12,17,19,25H,5-10,13H2/t19-/m1/s1 48234664CAFC51B3