InChI=1/C18H24N4O3/c1-21(13-17(23)19-6-7-22-8-10-25-11-9-22)18(24)15-12-20-16-5-3-2-4-14(15)16/h2-5,12,20H,6-11,13H2,1H3,(H,19,23)/f/h19H 6773BD0750F60A78