InChI=1/C15H22N2O2/c1-11-3-5-12(6-4-11)13-9-16-10-14(13)15(18)17-7-8-19-2/h3-6,13-14,16H,7-10H2,1-2H3,(H,17,18)/p+1/t13-,14-/m0/s1/fC15H23N2O2/h16-17H/q+1 949CAE3902545BF8