InChI=1/C20H26N4O4/c1-6-10-23-18-16(19(25)24(11-7-2)20(23)26)22(3)17(21-18)13-8-9-14(27-4)15(12-13)28-5/h8-9,12H,6-7,10-11H2,1-5H3 25C4755463DF5DBF