InChI=1/C20H32N4O2/c1-3-4-9-18(23-20(21)26)19(25)22-17-10-12-24(13-11-17)14-16-8-6-5-7-15(16)2/h5-8,17-18H,3-4,9-14H2,1-2H3,(H,22,25)(H3,21,23,26)/p+1/t18-/m0/s1/fC20H33N4O2/h22-24H,21H2/q+1 19E4B9B6D75F1AA0