InChI=1/C21H25N3O/c1-17-20(22-21(25-17)18-8-4-2-5-9-18)16-23-12-14-24(15-13-23)19-10-6-3-7-11-19/h2-11,17,20H,12-16H2,1H3/t17-,20-/m0/s1 9FF4D1B0071DED55