InChI=1/C18H12N4O2S2/c1-10-4-5-13(26-10)15(23)14-16-12(6-8-25-16)20-18(21-14)22-17(24)11-3-2-7-19-9-11/h2-9H,1H3,(H,20,21,22,24)/f/h22H 9F2C5B346D1779A2