InChI=1S/C19H15N5O3S2/c25-19(21-14-9-11-20-12-10-14)17(13-5-2-1-3-6-13)24-29(26,27)16-8-4-7-15-18(16)23-28-22-15/h1-12,17,24H,(H,20,21,25)/t17-/m0/s1