InChI=1/C18H28N4O3/c1-13(2)20-17(24)21-16-5-3-14(4-6-16)11-19-18(25)22-9-7-15(12-23)8-10-22/h3-6,13,15,23H,7-12H2,1-2H3,(H,19,25)(H2,20,21,24)/f/h19-21H C2EC72599A097EB8