InChI=1/C20H15N3O6S2/c24-18(13-3-1-2-4-14(13)23(26)27)21-7-8-22-19(25)17(31-20(22)30)10-12-5-6-15-16(9-12)29-11-28-15/h1-6,9-10H,7-8,11H2,(H,21,24)/b17-10+/f/h21H 6FA8AE635083122C