InChI=1/C19H21N3O2/c23-22(24)19-11-5-4-7-17(19)8-6-12-20-13-15-21(16-14-20)18-9-2-1-3-10-18/h1-11H,12-16H2/b8-6+ 7175B91C4C3F4597