InChI=1/C16H24N4O4/c1-19(2)16(7-3-4-8-16)11-18-15(22)17-10-12-9-13(20(23)24)5-6-14(12)21/h5-6,9,21H,3-4,7-8,10-11H2,1-2H3,(H2,17,18,22)/f/h21h,17-19H 556CC0EC8EE9991D