InChI=1/C14H16N4O3S/c19-13(7-10-5-6-22(20,21)8-10)17-18-14-11-3-1-2-4-12(11)15-9-16-14/h1-4,9-10H,5-8H2,(H,17,19)(H,15,16,18)/t10-/m0/s1/f/h17-18H 4C5B8A66BCB766F2