InChI=1/C18H24N4O4/c1-26-18(25)22-10-8-15(9-11-22)21-17(24)20-14-6-4-13(5-7-14)19-16(23)12-2-3-12/h4-7,12,15H,2-3,8-11H2,1H3,(H,19,23)(H2,20,21,24)/f/h19-21H B0B64951FE71F1DE