InChI=1/C19H16N4O4S/c20-17-15(28(26,27)13-6-2-1-3-7-13)12-14-18(23(17)10-11-24)21-16-8-4-5-9-22(16)19(14)25/h1-9,12,20,24H,10-11H2/p+1/fC19H17N4O4S/h20H/q+1	1A8890D97C1853A7