InChI=1S/C11H21N3O5/c12-6-2-1-3-8(11(18)19)14-9(15)5-4-7(13)10(16)17/h7-8H,1-6,12-13H2,(H,14,15)(H,16,17)(H,18,19)/t7-,8-/m0/s1