InChI=1S/C15H12N6O3S/c16-15(22)13-10-5-6-12-11(7-18-19-12)14(10)21(20-13)8-1-3-9(4-2-8)25(17,23)24/h1-7H,(H2,16,22)(H,18,19)(H2,17,23,24)