InChI=1/C15H22N4O4/c1-11(2)8-18(9-14(16)20)10-15(21)17(3)12-4-6-13(7-5-12)19(22)23/h4-7,11H,8-10H2,1-3H3,(H2,16,20)/p+1/fC15H23N4O4/h18H,16H2/q+1 6E67E400F160896A