InChI=1/C12H18N4O5/c17-4-8(19)11(20)7(18)3-13-1-6-2-14-10-9(6)15-5-16-12(10)21/h2,5,7-8,11,13-14,17-20H,1,3-4H2,(H,15,16,21)/t7-,8+,11-/m1/s1/f/h16H 63FA9CFC4B5F4267