InChI=1/C19H32N4O/c1-15-8-11-23(12-9-15)18-6-4-16(14-17(18)20)5-7-19(24)21-10-13-22(2)3/h4,6,14-15H,5,7-13,20H2,1-3H3,(H,21,24)/p+1/fC19H33N4O/h21-22H/q+1 E620D33EB29C558F