InChI=1/C21H18N6O/c1-13-6-3-4-8-17(13)26-21(28)18-14(2)25-20-16(10-22)12-24-27(20)19(18)15-7-5-9-23-11-15/h3-9,11-12,19,25H,1-2H3,(H,26,28)/t19-/m1/s1/f/h26H EB42C45B7BAAAEBB