InChI=1/C20H28N4O3/c1-4-27-17-9-7-16(8-10-17)23-19-18(6-5-11-21-19)20(25)22-12-13-24(2)14-15-26-3/h5-11H,4,12-15H2,1-3H3,(H,21,23)(H,22,25)/p+1/fC20H29N4O3/h22-24H/q+1 A7F04C3D7806E245