InChI=1/C13H20N4O5/c1-12(2)8(19)16(10(21)14-12)5-7(18)6-17-9(20)13(3,4)15-11(17)22/h7,18H,5-6H2,1-4H3,(H,14,21)(H,15,22)/f/h14-15H 52CDA53333B751FB