InChI=1/C16H28N2O3/c1-21-16(20)8-5-11-17-15(19)12-18(14-9-10-14)13-6-3-2-4-7-13/h13-14H,2-12H2,1H3,(H,17,19)/p+1/fC16H29N2O3/h17-18H/q+1 BEF43BD10DB5B4E9