InChI=1/C18H25N3O4/c1-19-18(23)13-7-8-15(17(9-13)21(24)25)20-11-14(22)10-16(20)12-5-3-2-4-6-12/h7-9,12,14,16,22H,2-6,10-11H2,1H3,(H,19,23)/t14-,16-/m1/s1/f/h19H 7EF8100E8B1C1E1B