InChI=1/C18H25N5O5/c1-5-28-11-15(24)21-22-18(25)20-16(17-19-6-7-23(17)2)12-8-13(26-3)10-14(9-12)27-4/h6-10,16H,5,11H2,1-4H3,(H,21,24)(H2,20,22,25)/t16-/m1/s1/f/h20-22H 4A2F495B4AFF46A8