InChI=1/C20H18ClN4O3S/c21-16-2-1-3-18(14-16)29(26,27)24-17-6-4-15(5-7-17)19-8-9-20(23-22-19)25-10-12-28-13-11-25/h1-9,14H,10-13H2/q-1 768B6AB225F467D8