InChI=1/C18H23N5O5/c1-12-7-16(22-28-12)21-18(26)10-23(2)9-17(25)20-8-13-3-5-14(6-4-13)27-11-15(19)24/h3-7H,8-11H2,1-2H3,(H2,19,24)(H,20,25)(H,21,22,26)/f/h20-21H,19H2 1AA1B93E52DFE1E1