InChI=1/C12H10N4O2S2/c13-11-14-15-12(20-11)19-8-6-9(17)16(10(8)18)7-4-2-1-3-5-7/h1-5,8H,6H2,(H2,13,14)/t8-/m1/s1/f/h13H2 40933DC72B9DF44E