InChI=1/C16H20N4O5/c1-22-11-5-9(4-10-7-19-16(18)20-15(10)17)6-12(14(11)24-3)25-8-13(21)23-2/h5-7H,4,8H2,1-3H3,(H4,17,18,19,20)/f/h17-18H2 C5ABE0152C9355B2