InChI=1/C18H26N4O2/c1-3-11-22(13-17-7-5-16(12-19)6-8-17)14-18(24)21-10-4-9-20-15(2)23/h5-8H,3-4,9-11,13-14H2,1-2H3,(H,20,23)(H,21,24)/f/h20-21H C11DD1685EA543CE