InChI=1/C16H22N4O4/c1-3-7-20-14(17)13(15(22)18-16(20)23)12(21)10-19(4-2)9-11-6-5-8-24-11/h5-6,8H,3-4,7,9-10,17H2,1-2H3,(H,18,22,23)/f/h18H 0C3697EE4382A9AC