InChI=1/C20H24N4O4/c1-14(20(27)23-12-10-22(11-13-23)15(2)25)24-19(26)9-8-18(21-24)16-4-6-17(28-3)7-5-16/h4-9,14H,10-13H2,1-3H3/t14-/m1/s1 1D2E9A9AB795C035