InChI=1/C20H28N4O4/c1-2-3-6-13-7-5-10-16(13)24-20(28)19(27)23-15-9-4-8-14(11-15)18(26)22-12-17(21)25/h4,8-9,11,13,16H,2-3,5-7,10,12H2,1H3,(H2,21,25)(H,22,26)(H,23,27)(H,24,28)/t13-,16-/m1/s1/f/h22-24H,21H2 7C635DA10F5FF7D0