InChI=1S/C18H31N3O6/c1-4-8-19-16(24)13(22)10-14(23)20-15(11(3)5-2)17(25)21-9-6-7-12(21)18(26)27/h11-13,15,22H,4-10H2,1-3H3,(H,19,24)(H,20,23)(H,26,27)/t11-,12-,13-,15-/m0/s1