InChI=1/C15H26N4O/c1-4-10-16-14-9-7-8-13(18-14)15(20)17-11-12-19(5-2)6-3/h7-9H,4-6,10-12H2,1-3H3,(H,16,18)(H,17,20)/p+1/fC15H27N4O/h16-17,19H/q+1 B57A6F19CEECD11C