InChI=1/C15H20N2O2/c1-5-9-16-12(2)10-13-7-6-8-14(11-13)19-15(18)17(3)4/h1,6-8,11-12,16H,9-10H2,2-4H3/p+1/t12-/m1/s1/fC15H21N2O2/h16H/q+1 DDDA5FA8BD7A80B0