InChI=1/C15H14N5S/c1-2-4-11(5-3-1)8-20-7-6-12-13(9-20)21-15(18-12)14-16-10-17-19-14/h1-5,10H,6-9H2/q-1/p+1/fC15H15N5S/h20H/q 2B213FB47F156534