InChI=1/C21H25N3O/c1-3-24(4-2)18-10-9-17(21(25)13-18)14-22-12-11-16-15-23-20-8-6-5-7-19(16)20/h5-10,13-15,23,25H,3-4,11-12H2,1-2H3/b22-14+/f/h25h,22H/b 2425560B4987404E