InChI=1/C20H26N4O2/c1-15(2)17-5-3-16(4-6-17)14-22-19-13-18(7-8-20(19)24(25)26)23-11-9-21-10-12-23/h3-8,13,15,21-22H,9-12,14H2,1-2H3/p+1/fC20H27N4O2/h21H/q+1 0D9D6D5A521CF39D