InChI=1/C19H16N4O4S2/c1-29(25,26)23-13-8-6-12(7-9-13)17(24)11-28-19-22-21-18(27-19)15-10-20-16-5-3-2-4-14(15)16/h2-9H,10-11H2,1H3,(H,23,24)/f/h20H 7DC33EF613B1556F