InChI=1/C20H21N3O2/c1-12(2)18(19-21-14-8-4-5-9-15(14)22-19)23-20(24)17-11-13-7-3-6-10-16(13)25-17/h3-10,12,17-18H,11H2,1-2H3,(H,21,22)(H,23,24)/t17-,18-/m0/s1/f/h21,23H C2060BAB736100B4