InChI=1/C15H31N3O2/c1-4-20-15(19)16-10-6-5-7-11-18(3)14-8-12-17(2)13-9-14/h14H,4-13H2,1-3H3,(H,16,19)/p+2/fC15H33N3O2/h16-18H/q+2 E775D978510C1B84