1 H NMR ( 400 MHz , CDCl 3 ) δ 7 . 39 - 7 . 32 ( m , 5 H ) , 7 . 05 - 7 . 01 ( m , 1 H ) , 6 . 96 ( s , 1 H ) , 6 . 88 ( dd , J = 8 . 4 , 2 . 4 Hz , 1 H ) , 5 . 77 및 5 . 72 ( AB q , J = 6 . 4 Hz , 2 H ) , 5 . 17 - 5 . 12 ( m , 2 H ) , 4 . 44 - 4 . 32 ( m , 1 H ) , 4 . 24 ( q , J = 6 . 8 Hz , 2 H ) , 3 . 96 - 3 . 83 ( m , 1 H ) , 3 . 16 - 3 . 04 ( m , 1 H ) , 2 . 76 - 2 . 56 ( m , 3 H ) , 2 . 38 - 2 . 31 ( m , 1 H ) , 1 . 73 - 1 . 49 ( m , 5 H ) , 1 . 44 - 1 . 33 ( m , 3 H ) , 1 . 32 ( t , J = 6 . 8 Hz , 3 H ) , 1 . 29 - 1 . 23 ( m , 1 H ) , 1 . 09 - 1 . 00 ( m , 1 H ) .