InChI=1/C19H28N4O2/c1-14-4-2-3-5-15(14)13-23-10-8-17(9-11-23)22-19(25)20-12-18(24)21-16-6-7-16/h2-5,16-17H,6-13H2,1H3,(H,21,24)(H2,20,22,25)/p+1/fC19H29N4O2/h20-23H/q+1 289091EA81125DD8