InChI=1S/C21H27N3O2/c1-2-26-21(25)17-13-19(22-14-16-9-5-3-6-10-16)20(23-15-17)24-18-11-7-4-8-12-18/h3,5-6,9-10,13,15,18,22H,2,4,7-8,11-12,14H2,1H3,(H,23,24)