InChI=1/C20H26N4O4/c1-14(2)23-7-9-24(10-8-23)20(25)6-5-18-21-22-19(28-18)12-15-3-4-16-17(11-15)27-13-26-16/h3-4,11,14H,5-10,12-13H2,1-2H3 A7BA0D696FEF8236