InChI=1/C20H26N4O2/c1-5-19(25)23-18-10-8-16(9-11-18)14(2)22-20(26)24(4)15(3)17-7-6-12-21-13-17/h6-15H,5H2,1-4H3,(H,22,26)(H,23,25)/t14-,15+/m0/s1/f/h22-23H 1BAAB895BC1F188E