InChI=1/C15H22N4O4/c1-4-10-11(14(21)23-3)8(2)12(17-10)13(20)18-19-15(22)16-7-9-5-6-9/h9,17H,4-7H2,1-3H3,(H,18,20)(H2,16,19,22)/f/h16,18-19H BEAC4DFDD222CC8E