InChI=1/C12H11N5O3S/c13-10-5-11(14)16-12(15-10)21-6-9(18)7-1-3-8(4-2-7)17(19)20/h1-5H,6H2,(H4,13,14,15,16)/f/h13-14H2 B402F053DBEA7FA2