InChI=1/C20H24N4O4/c1-4-28-20(27)19-17(23-11-9-22(10-12-23)15(3)25)13-18(26)24(21-19)16-7-5-14(2)6-8-16/h5-8,13H,4,9-12H2,1-3H3 70E8FF889B78C872