InChI=1/C14H13N5OS/c1-20-8-2-4-9(5-3-8)21-11-7-6-10-12(18-11)13(15)19-14(16)17-10/h2-7H,1H3,(H4,15,16,17,19)/p+1/fC14H14N5OS/h17H,15-16H2/q+1 B948B1668C0928E9