InChI=1/C18H18N4O4S/c23-14-5-2-12(3-6-14)10-17(24)19-18-15-11-13(4-7-16(15)20-21-18)22-8-1-9-27(22,25)26/h2-7,11,23H,1,8-10H2,(H2,19,20,21,24)/f/h19-20H BD00BA6D4F7D2CF9