InChI=1/C21H26N6O/c22-21(25-12-3-4-17-14-23-15-27-17)26-13-10-19(20-5-1-2-11-24-20)16-6-8-18(28)9-7-16/h1-2,5-9,11,14-15,19,28H,3-4,10,12-13H2,(H,23,27)(H3,22,25,26)/p+2/t19-/m1/s1/fC21H28N6O/h23,25-27H,22H2/q+2 888971D2A4028521