InChI=1/C20H32N4O2/c1-5-18(25)21-16-6-8-17(9-7-16)22-19(26)24-14-12-23(13-15-24)11-10-20(2,3)4/h6-9H,5,10-15H2,1-4H3,(H,21,25)(H,22,26)/p+1/fC20H33N4O2/h21-23H/q+1 AF3B9F269E180BF2