InChI=1/C13H10N4O4S/c14-22(20,21)9-5-3-8(4-6-9)16-17-12(18)10-2-1-7-15-11(10)13(17)19/h1-7,16H,(H2,14,20,21)/f/h14H2 E86B60325BF7BCC3