InChI=1/C20H24N4O2/c1-4-10-23-11-13-24(14-12-23)15-16-7-8-18(26-20(25)22(2)3)19-17(16)6-5-9-21-19/h1,5-9H,10-15H2,2-3H3 CD25FD4221128495