InChI=1S/C13H23N3O5/c1-4-16(5-2)12(18)11-10(15-7(3)17)8(14)6-9(21-11)13(19)20/h8-11H,4-6,14H2,1-3H3,(H,15,17)(H,19,20)/t8-,9+,10+,11+/m0/s1