InChI=1/C19H40N4O2/c1-5-23(6-2)18(13-16(3)4)14-21-19(25)20-9-12-22-10-7-17(15-24)8-11-22/h16-18,24H,5-15H2,1-4H3,(H2,20,21,25)/p+2/t18-/m1/s1/fC19H42N4O2/h20-23H/q+2 FCCB6C76805FA25A