InChI=1/C19H28N4O/c1-2-3-4-5-6-7-11-24-17-10-8-9-15(13-17)12-16-14-22-19(21)23-18(16)20/h8-10,13-14H,2-7,11-12H2,1H3,(H4,20,21,22,23)/p+1/fC19H29N4O/h22H,20-21H2/q+1 D8B2E90CAF02DBEA