InChI=1/C12H14N4O4S/c1-8(2)9-7-12(21(13,19)20)15(14-9)10-5-3-4-6-11(10)16(17)18/h3-8H,1-2H3,(H2,13,19,20)/f/h13H2	86B2C804E8D58D50