InChI=1/C19H17N7O4/c1-10-16-17(14(6-20)18(21)30-19(16)24-23-10)11-3-4-15(29-2)12(5-11)8-25-9-13(7-22-25)26(27)28/h3-5,7,9,17H,8,21H2,1-2H3,(H,23,24)/t17-/m1/s1/f/h23H EF6296C256EF400C