InChI=1/C19H20N6O2/c1-12-9-13(2)25(22-12)17-5-6-19(27)24(23-17)11-18(26)21-15-3-4-16-14(10-15)7-8-20-16/h3-10,16-17,23H,11H2,1-2H3,(H,21,26)/t16-,17-/m0/s1/f/h21H DDFF54BF31EA35B7