InChI=1/C16H12Cl2N4O2S/c1-8-14(25-16(19)21-8)15(23)22-20-7-10-3-5-13(24-10)9-2-4-11(17)12(18)6-9/h2-7H,1H3,(H2,19,21)(H,22,23)/b20-7+/f/h22H,19H2 2B8E76DCA5B1032C