InChI=1S/C19H19N5O4S/c25-18(22-26)16-12-20-19(21-13-16)23-7-9-24(10-8-23)29(27,28)17-6-5-14-3-1-2-4-15(14)11-17/h1-6,11-13,26H,7-10H2,(H,22,25)