InChI=1/C13H11N3O2S2/c1-7-8(2)20-12(9(7)6-14)16-13(19)15-11(17)10-4-3-5-18-10/h3-5H,1-2H3,(H2,15,16,17,19)/f/h15-16H 28B025C7AB1E7E9D