InChI=1/C12H8N4O4S/c17-10-2-1-9(16(19)20)7-14(10)6-8-5-11(18)15-3-4-21-12(15)13-8/h1-5,7H,6H2/p+1/fC12H9N4O4S/h13H/q+1	3E224C5B6D7A5D8B