InChI=1/C18H22N2O2/c1-4-6-16-8-5-7-13(2)20(16)11-17-14(3)22-18(19-17)15-9-10-21-12-15/h4-5,7,9-10,12-13,16H,1,6,8,11H2,2-3H3/p+1/t13-,16-/m1/s1/fC18H23N2O2/h20H/q+1 A015FFE30A44A440