InChI=1S/C18H31N3O4/c1-13(11-17(23)24)20-16(22)12-21-10-2-3-15(18(21)25)5-4-14-6-8-19-9-7-14/h13-15,19H,2-12H2,1H3,(H,20,22)(H,23,24)