InChI=1/C15H20N4O/c20-15(19-11-4-3-5-11)12-6-1-2-7-13(12)18-10-14-16-8-9-17-14/h1-2,6-7,11,18H,3-5,8-10H2,(H,16,17)(H,19,20)/p+1/fC15H21N4O/h16-17,19H/q+1 582A59F3CE33F37A