InChI=1/C15H22N2O2/c18-15(16-9-12-17-10-4-5-11-17)8-13-19-14-6-2-1-3-7-14/h1-3,6-7H,4-5,8-13H2,(H,16,18)/p+1/fC15H23N2O2/h16-17H/q+1 9ECF8142C40CF625