InChI=1/C18H18N6O6/c1-11-14(7-13(9-20-11)24(27)28)18(26)29-10-16(25)22-3-5-23(6-4-22)17-15(8-19)21-12(2)30-17/h7,9H,3-6,10H2,1-2H3 2EDFF649C61DE7EF