InChI=1/C18H20N8O3/c1-29-16-6-7-19-18(21-16)24-10-8-23(9-11-24)13-25-12-20-17(22-25)14-2-4-15(5-3-14)26(27)28/h2-7,12H,8-11,13H2,1H3 8CE81F66A1999FB7