InChI=1/C16H26N2O3/c1-7-8-9-18(5)12(4)15(19)14-10(2)13(11(3)17-14)16(20)21-6/h12,17H,7-9H2,1-6H3/p+1/t12-/m1/s1/fC16H27N2O3/h18H/q+1 343F4DC695A8645D