InChI=1/C20H25N3O2/c1-5-18(24)22-17-11-16(10-9-13(17)2)21-12-19(25)23-20-14(3)7-6-8-15(20)4/h6-11,21H,5,12H2,1-4H3,(H,22,24)(H,23,25)/f/h22-23H 175091CFA4BA4ED1