InChI=1/C22H24N4O4/c1-2-3-4-5-6-15-11-16-12-17(22(29)30-19(16)13-18(15)27)20(23)25-26-21(28)14-7-9-24-10-8-14/h7-13,27H,2-6H2,1H3,(H2,23,25)(H,26,28)/p+1/fC22H25N4O4/h25-26H,23H2/q+1 5258DB12C0746676