InChI=1/C18H18N6O4/c1-3-24-14-13(16(26)23-18(24)28)8-10(9-20-14)15(25)21-11-4-6-12(7-5-11)22-17(27)19-2/h4-9H,3H2,1-2H3,(H,21,25)(H2,19,22,27)(H,23,26,28)/f/h19,21-23H 49AFE561C6E828B1