InChI=1S/C21H29N3O2/c1-16(2)13-18-14-20(23-22-18)21(25)24-11-12-26-19(15-24)10-6-9-17-7-4-3-5-8-17/h3-5,7-8,14,16,19H,6,9-13,15H2,1-2H3,(H,22,23)