InChI=1/C21H13ClN2O5S/c22-13-7-5-12(6-8-13)21(27)23-24-30(28,29)14-9-10-17-18(11-14)20(26)16-4-2-1-3-15(16)19(17)25/h1-11,24H,(H,23,27)/f/h23H CD198AC8DCC560D3