InChI=1/C20H25N5O2/c26-17(12-15-4-2-1-3-5-15)21-13-18(27)25-10-7-20(8-11-25)19-16(6-9-24-20)22-14-23-19/h1-5,14,24H,6-13H2,(H,21,26)(H,22,23)/p+2/fC20H27N5O2/h21-24H/q+2 31C8407D23455539