InChI=1S/C16H12ClN3O2S/c17-13-7-9-6-12(20-16(9)23-13)15(22)19-11-5-8-3-1-2-4-10(8)18-14(11)21/h1-4,6-7,11,20H,5H2,(H,18,21)(H,19,22)/t11-/m1/s1