InChI=1/C20H24N4O4/c1-12-9-14(10-13(2)22-12)11-28-16-5-3-15(4-6-16)24-8-7-17(20(24)26)18(21)19(25)23-27/h3-6,9-10,17-18,27H,7-8,11,21H2,1-2H3,(H,23,25)/t17-,18+/m1/s1/f/h23H C5938D7B9688898E