InChI=1/C20H32N4O2/c1-3-5-10-18(20(21)26)24-13-11-23(12-14-24)15-19(25)22-17-9-7-6-8-16(17)4-2/h6-9,18H,3-5,10-15H2,1-2H3,(H2,21,26)(H,22,25)/t18-/m1/s1/f/h22H,21H2 942546D9D6F36010