InChI=1S/C21H23N3O/c1-24(14-16-13-23-20-6-4-3-5-18(16)20)10-9-15-12-22-21-8-7-17(25-2)11-19(15)21/h3-8,11-13,22-23H,9-10,14H2,1-2H3