InChI=1/C20H23N3O2/c24-19-9-5-4-8-18(19)22-10-12-23(13-11-22)20(25)21-17-14-16(17)15-6-2-1-3-7-15/h1-9,16-17,24H,10-14H2,(H,21,25)/t16-,17-/m1/s1/f/h21H FAECFD73E4A4446D