InChI=1/C28H28N4O4/c1-31(2)28(35)32(3)17-18-10-13-21(14-11-18)29-25(19-8-6-5-7-9-19)24-22-15-12-20(27(34)36-4)16-23(22)30-26(24)33/h5-16,29H,17H2,1-4H3,(H,30,33)/b25-24+/f/h30H D21942D44200A863