InChI=1/C11H16N4O4S/c1-3-18-9(16)8(10(17)19-4-2)20-11-14-6(12)5-7(13)15-11/h5,8H,3-4H2,1-2H3,(H4,12,13,14,15)/f/h12-13H2 F947324B37F5C6CF