InChI=1/C20H32N4O2/c1-4-7-9-15-10-8-11-17(15)23-20(26)19(25)22-16-12-13-18(21-14-16)24(5-2)6-3/h12-15,17H,4-11H2,1-3H3,(H,22,25)(H,23,26)/t15-,17+/m1/s1/f/h22-23H FF1DC04196A8C352