InChI=1/C13H16N4O4S/c1-8-6-12(14-13(18)11-5-9(2)16-21-11)17(15-8)10-3-4-22(19,20)7-10/h5-6,10H,3-4,7H2,1-2H3,(H,14,18)/t10-/m0/s1/f/h14H AA1AA08706D7DA5E