InChI=1/C16H31N3O2/c1-4-18-16(15(17)20,14-7-8-14)11-19(9-10-21-3)12(2)13-5-6-13/h12-14,18H,4-11H2,1-3H3,(H2,17,20)/p+1/t12-,16+/m0/s1/fC16H32N3O2/h19H,17H2/q+1 5F254595426450C2