InChI=1S/C12H19N3O7/c16-3-8-9(17)10(18)12(21,22-8)4-14-7(11(19)20)1-6-2-13-5-15-6/h2,5,7-10,14,16-18,21H,1,3-4H2,(H,13,15)(H,19,20)/t7-,8+,9+,10-,12?/m0/s1