InChI=1/C14H20N4O5/c1-9(2)17(7-13(15)20)8-14(21)16-6-10-5-11(18(22)23)3-4-12(10)19/h3-5,9,19H,6-8H2,1-2H3,(H2,15,20)(H,16,21)/f/h19h,16-17H,15H2 B6EDCF6736CD1D83