InChI=1/C15H22N2O2/c1-3-17(12-9-10-12)11-15(18)16-13-7-5-6-8-14(13)19-4-2/h5-8,12H,3-4,9-11H2,1-2H3,(H,16,18)/p+1/fC15H23N2O2/h16-17H/q+1 84C3B7BF30DC4B33