InChI=1S/C23H17ClN4O4S/c24-17-10-13-21(25-15-17)27-33(31,32)20-6-2-1-5-19(20)26-23(30)16-8-11-18(12-9-16)28-14-4-3-7-22(28)29/h1-15H,(H,25,27)(H,26,30)