InChI=1/C19H18N6O2S/c1-11-8-12(2)21-18-15(11)16(20)17(28-18)19(26)27-10-14-22-23-24-25(14)9-13-6-4-3-5-7-13/h3-8H,9-10,20H2,1-2H3/p+1/fC19H19N6O2S/h21H/q+1 3C5E99D1C945A1FC