InChI=1/C18H22N4O4S/c23-17(20-9-10-27(25,26)21-11-13-3-1-4-13)18(24)22-16-6-2-5-14-12-19-8-7-15(14)16/h2,5-8,12-13,21H,1,3-4,9-11H2,(H,20,23)(H,22,24)/f/h20,22H D581C69B517B0515