InChI=1/C18H18N6O4/c1-2-6-24-14-13(16(26)23-18(24)28)7-10(9-20-14)15(25)21-11-4-3-5-12(8-11)22-17(19)27/h3-5,7-9H,2,6H2,1H3,(H,21,25)(H3,19,22,27)(H,23,26,28)/f/h21-23H,19H2 7847CFF3A1375267