InChI=1/C20H32N4O2/c1-3-4-6-9-15(2)22-20(26)23-17-14-16(19(21)25)10-11-18(17)24-12-7-5-8-13-24/h10-11,14-15H,3-9,12-13H2,1-2H3,(H2,21,25)(H2,22,23,26)/t15-/m0/s1/f/h22-23H,21H2 55C774CBFAA73260