InChI=1/C18H24N4O4/c1-2-26-17(24)14-10-20-18(25)21-15(14)12-22(9-8-16(19)23)11-13-6-4-3-5-7-13/h3-7H,2,8-12H2,1H3,(H2,19,23)(H2,20,21,25)/f/h20-21H,19H2 7545B2790A53CDE9