InChI=1/C18H20N4O4S/c1-2-19-18(24)20-13-4-3-5-14(11-13)22-27(25,26)15-7-8-16-12(10-15)6-9-17(23)21-16/h3-5,7-8,10-11,22H,2,6,9H2,1H3,(H,21,23)(H2,19,20,24)/f/h19-21H FD9C5982548A9423