InChI=1/C16H23N3O2/c1-5-17-15(20)21-11-6-7-13-12(10-11)16(2)8-9-18(3)14(16)19(13)4/h6-7,10,14H,5,8-9H2,1-4H3,(H,17,20)/t14-,16-/m0/s1/f/h17H B7CDC55505AE42AD