InChI=1/C18H20N4O5S/c1-13(18(23)20-15-4-2-5-17(12-15)22(24)25)19-14-6-8-16(9-7-14)21-10-3-11-28(21,26)27/h2,4-9,12-13,19H,3,10-11H2,1H3,(H,20,23)/t13-/m0/s1/f/h20H 135A8BCE12CB8707