InChI=1/C16H16N2O5S/c17-24(22,23)13-8-6-12(7-9-13)15(19)18-14(16(20)21)10-11-4-2-1-3-5-11/h1-9,14H,10H2,(H,18,19)(H,20,21)(H2,17,22,23)/p-1/t14-/m0/s1/fC16H15N2O5S/h18H,17H2/q-1 15D61954DC46FD5E