InChI=1/C13H12N4O4S2/c14-12-16-17-13(23-12)22-6-10(18)15-11(19)9-5-20-7-3-1-2-4-8(7)21-9/h1-4,9H,5-6H2,(H2,14,16)(H,15,18,19)/t9-/m0/s1/f/h15H,14H2 8442A431ADD1D096