InChI=1/C15H11N5O2S/c1-8-12(23-9(2)17-8)14-19-20-15(22-14)18-13(21)11-5-3-4-10(6-11)7-16/h3-6H,1-2H3,(H,18,20,21)/f/h18H B709F41D4168E340