InChI=1/C20H26N4O2/c1-4-15-9-7-8-10-17(15)23-19(25)14-22-20(26)16-11-12-18(21-13-16)24(5-2)6-3/h7-13H,4-6,14H2,1-3H3,(H,22,26)(H,23,25)/f/h22-23H 0F1FD37BB0FBBB2C