InChI=1/C18H16N6O/c19-9-12-15(11-5-2-1-3-6-11)16-13(7-4-8-14(16)25)24(17(12)20)18-21-10-22-23-18/h1-3,5-6,10,15H,4,7-8,20H2,(H,21,22,23)/t15-/m0/s1/f/h23H DFD6982CBF1CB9D4