InChI=1/C25H26N4O4/c1-4-11-32-19-10-9-15(13-20(19)31-5-2)21-18(14-26)24(27)33-25-22(21)23(28-29-25)16-7-6-8-17(12-16)30-3/h6-10,12-13,21H,4-5,11,27H2,1-3H3,(H,28,29)/t21-/m1/s1/f/h29H FD71B53D8B998E54