InChI=1S/C18H23N5O5/c19-13(6-11-4-2-1-3-5-11)16(25)23-15(9-24)17(26)22-14(18(27)28)7-12-8-20-10-21-12/h1-5,8,10,13-15,24H,6-7,9,19H2,(H,20,21)(H,22,26)(H,23,25)(H,27,28)/t13-,14-,15-/m0/s1