InChI=1S/C19H17ClFN5S.C4H4O4/c20-17-8-15-18(23-11-24-19(15)27-17)25-14-3-5-26(6-4-14)10-12-1-2-16(21)13(7-12)9-22;5-3(6)1-2-4(7)8/h1-2,7-8,11,14H,3-6,10H2,(H,23,24,25);1-2H,(H,5,6)(H,7,8)/b;2-1+