InChI=1/C16H27N3O2/c20-15(18-14-7-3-4-10-17-16(14)21)11-19(13-8-9-13)12-5-1-2-6-12/h12-14H,1-11H2,(H,17,21)(H,18,20)/p+1/t14-/m1/s1/fC16H28N3O2/h17-19H/q+1 B91E6CD3FAFA7F5A