InChI=1/C14H12N6S/c1-9-10(5-11(6-15)20(9)2)7-18-19-13-12-3-4-21-14(12)17-8-16-13/h3-5,7-8H,1-2H3,(H,16,17,19)/b18-7+/f/h19H AE8DA382B6F10D9F