InChI=1/C19H28N4O/c1-3-4-5-6-7-11-24-16-10-8-9-15(12-16)13-17-14(2)22-19(21)23-18(17)20/h8-10,12H,3-7,11,13H2,1-2H3,(H4,20,21,22,23)/f/h20-21H2 A24D1491BD54AC87