InChI=1S/C26H29ClN2O4S/c1-28(17-5-6-21-9-11-23(27)12-10-21)20-22-7-3-4-8-26(22)29(18-19-30)34(31,32)25-15-13-24(33-2)14-16-25/h3-16,30H,17-20H2,1-2H3/b6-5+