InChI=1/C19H26N4O5/c1-5-7-8-23-16(20)15(17(24)21-19(23)26)22(6-2)18(25)12-9-13(27-3)11-14(10-12)28-4/h9-11H,5-8,20H2,1-4H3,(H,21,24,26)/f/h21H 008E0980F6719CC5