InChI=1S/C28H28N4O6/c1-14(2)22(37-16(4)33)23-30-19-11-7-5-9-17(19)25(35)31(23)21-13-28(38-26(21)36)18-10-6-8-12-20(18)32-24(34)15(3)29-27(28)32/h5-12,14-15,21-22,27,29H,13H2,1-4H3