InChI=1/C21H28N4O2/c1-4-24-12-6-9-19(14-24)25-16(3)22-15(2)21(25)18-8-5-7-17(13-18)10-11-20(26)23-27/h5,7-8,10-11,13,19,27H,4,6,9,12,14H2,1-3H3,(H,23,26)/p+2/b11-10+/t19-/m1/s1/fC21H30N4O2/h22-24H/q+2 3A1EB44726B3EE26