InChI=1/C13H14N4O4S/c1-9(10-3-2-4-11(7-10)22(14,20)21)16-12-5-6-15-8-13(12)17(18)19/h2-9H,1H3,(H,15,16)(H2,14,20,21)/t9-/m0/s1/f/h16H,14H2 03FCCE51EC6C9C7C