InChI=1/C18H13N7OS/c19-15-14-16(25-13-9-5-4-8-12(13)22-18(25)27-14)20-10-24(15)23-17(26)21-11-6-2-1-3-7-11/h1-10,19H,(H2,21,23,26)/p+1/fC18H14N7OS/h19,21,23H/q+1 448EADF8FE3A8BC7