InChI=1/C12H14N4O3S/c1-8(2)12-11(7-17)14-15-16(12)9-3-5-10(6-4-9)20(13,18)19/h3-8H,1-2H3,(H2,13,18,19)/f/h13H2 D34B689E7D80555F