InChI=1/C21H20N4O2/c26-19(9-10-24-13-23-16-6-1-2-7-17(16)24)25-11-8-14-4-3-5-15-20(14)18(25)12-22-21(15)27/h1-7,13,18H,8-12H2,(H,22,27)/t18-/m0/s1/f/h22H 31F9F57F85222F31