InChI=1/C15H14N4O2S/c1-9-3-5-11(6-4-9)17-14(21)18-12-10(2)16-15-19(13(12)20)7-8-22-15/h3-8H,1-2H3,(H2,17,18,21)/p+1/fC15H15N4O2S/h16-18H/q+1 1A4BDC9131181D8A