InChI=1/C20H23N5O2/c26-19-22-17-8-7-16(13-18(17)23-19)21-20(27)25-10-4-9-24(11-12-25)14-15-5-2-1-3-6-15/h1-3,5-8,13H,4,9-12,14H2,(H,21,27)(H2,22,23,26)/p+1/fC20H24N5O2/h21-24H/q+1 FEB06BAEF9F459D7