InChI=1S/C21H26N2O2/c1-25-19-13-10-17(11-14-19)21(24)23-20-8-3-2-6-16(20)9-12-18-7-4-5-15-22-18/h2-3,6,8,10-11,13-14,18,22H,4-5,7,9,12,15H2,1H3,(H,23,24)