1 H - NMR ( 400 MHz , CDCl 3 ) δ = 2 . 28 ( s , 3 H , Me ) , 2 . 56 - 2 . 67 ( m , 4 H , 2 CH 2 ) , 3 . 20 - 3 . 22 ( m , 4 H , 2 CH 2 ) , 3 . 79 ( s , 3 H , OMe ) , 3 . 97 ( s , 1 H , CHA ) , 3 . 99 ( s , 1 H , CHB ) , 4 . 09 - 4 . 16 ( m , 1 H , CH ) , 6 . 41 - 7 . 19 ( m , 8 H , Ph ) .