InChI=1/C16H18N6O4/c23-15(11-19-13-6-1-2-7-14(13)22(25)26)20-21-16(24)18-10-8-12-5-3-4-9-17-12/h1-7,9,19H,8,10-11H2,(H,20,23)(H2,18,21,24)/f/h18,20-21H 66CD0200CCACD7A8