1 - 46 δ = 8 . 62 ( 1 H , d ) , 8 . 45 ( 1 H , d ) , 8 . 36 ~ 8 . 31 ( 5 H , m ) , 8 . 22 ( 1 H , m ) , 8 . 00 ( 1 H , s ) , 7 . 93 ~ 7 . 91 ( 2 H , m ) , 7 . 77 ~ 7 . 74 ( 7 H , m ) , 7 . 50 ~ 7 . 41 ( 14 H , m )