InChI=1/C20H24N4O4/c1-12-13(2)22-18-11-16(5-6-17(18)21-12)20(27)28-14(3)19(26)24-9-7-23(8-10-24)15(4)25/h5-6,11,14H,7-10H2,1-4H3/t14-/m1/s1 7182B8636AF19DC9