InChI=1/C20H21N3O2/c24-19(23-12-6-8-16-7-4-5-11-18(16)23)15-21-13-14-22(20(21)25)17-9-2-1-3-10-17/h1-5,7,9-11H,6,8,12-15H2 3D5FD48CBBAE24DF