1 - 39 δ = 9 . 35 ( 1 H , s ) , 8 . 90 ( 4 H , d ) , 8 . 64 ( 1 H , s ) , 8 . 30 ~ 8 . 20 ( 3 H , m ) , 8 . 13 ( 1 H , d ) , 7 . 71 ( 1 H , s ) , 7 . 66 ~ 7 . 45 ( 14 H , m ) , 7 . 38 ~ 7 . 33 ( 3 H , m )