InChI=1/C12H14N4O4S2/c1-15(2)10-7-9(5-6-13-10)8-14-22(19,20)12-4-3-11(21-12)16(17)18/h3-7,14H,8H2,1-2H3/p+1/fC12H15N4O4S2/h13H/q+1 786269B0CE98BC14