InChI=1/C15H22N4O4/c1-11(2)16-14(20)9-17(3)10-15(21)18(4)12-5-7-13(8-6-12)19(22)23/h5-8,11H,9-10H2,1-4H3,(H,16,20)/p+1/fC15H23N4O4/h16-17H/q+1 A1B5846FFA0B01D7