InChI=1/C14H22N2O2/c1-4-10-16(11(3)14(17)18-5-2)13-9-7-6-8-12(13)15/h6-9,11H,4-5,10,15H2,1-3H3/t11-/m1/s1 5F6C33D948F4633E