InChI=1/C18H18N6O4/c1-2-24-14-13(16(26)23-18(24)28)7-11(9-20-14)15(25)21-8-10-3-5-12(6-4-10)22-17(19)27/h3-7,9H,2,8H2,1H3,(H,21,25)(H3,19,22,27)(H,23,26,28)/p-1/fC18H17N6O4/h21-22H,19H2/q-1 25134B7F59DC4C5D