InChI=1/C12H9N3O4S2/c16-10(14-12-13-5-6-20-12)7-15-11(17)8-3-1-2-4-9(8)21(15,18)19/h1-6H,7H2,(H,13,14,16)/f/h14H 25C44FD4C8D7CA6F