InChI=1S/C18H26N6O5/c19-18-23-16-14(17(29)24-18)22-11(7-21-16)6-20-10-3-1-9(2-4-10)5-12(26)15(28)13(27)8-25/h1-4,11-13,15,20,22,25-28H,5-8H2,(H4,19,21,23,24,29)/t11?,12-,13+,15-/m0/s1