InChI=1/C16H33N3O/c1-15(2)8-10-18-11-13-19(14-12-18)16(20)7-5-3-4-6-9-17/h15H,3-14,17H2,1-2H3/p+2/fC16H35N3O/h17-18H/q+2 5FE1886F9DFC5E80