InChI=1S/C22H24N2O2/c1-14-2-5-18(22(26)24-19-10-11-19)12-20(14)16-6-8-17(9-7-16)21(25)23-13-15-3-4-15/h2,5-9,12,15,19H,3-4,10-11,13H2,1H3,(H,23,25)(H,24,26)