InChI=1/C16H14N4O4S/c1-2-11-3-5-12(6-4-11)25(23,24)20-10-14-13(17-7-8-18-14)9-15(20)16(21)19-22/h1,3-8,15,22H,9-10H2,(H,19,21)/t15-/m1/s1/f/h19H C45D76136D396BB1