InChI=1/C18H25N3O3/c1-14-3-2-4-17(13-14)19-9-11-20(12-10-19)18(22)15-5-7-16(8-6-15)21(23)24/h5-8,14,17H,2-4,9-13H2,1H3/t14-,17+/m0/s1 4C1A520ED392A219