InChI=1/C11H6N5O3S/c17-10(14-11-15-12-5-20-11)7-4-6-2-1-3-8(16(18)19)9(6)13-7/h1-5H,(H-,13,14,15,17)/q-1/f/h17H 815E6FF220F22E72