InChI=1S/C22H34N4O2/c1-24-19(14-16-6-3-2-4-7-16)22(28)26-13-5-8-20(26)21(27)25-15-17-9-11-18(23)12-10-17/h2-4,6-7,17-20,24H,5,8-15,23H2,1H3,(H,25,27)/t17-,18-,19-,20+/m1/s1