InChI=1/C12H12N4O2S2/c1-12(2)3-6-9(8(17)4-12)20-11(13-6)14-10(18)7-5-19-16-15-7/h5H,3-4H2,1-2H3,(H,13,14,18)/f/h14H 8C449537E3BA8966