1 - 41 δ = 9 . 30 ( 1 H , s ) , 8 . 90 ( 1 H , d ) , 8 . 80 ( 4 H , d ) , 8 . 43 ( 1 H , s ) , 8 . 26 ~ 8 . 20 ( 3 H , m ) , 8 . 03 ( 1 H , d ) , 7 . 93 ( 1 H , d ) , 7 . 87 ( 1 H , s ) , 7 . 77 ( 1 H , t ) , 7 . 72 ( 1 H , s ) , 7 . 67 ( 1 H , d ) , 7 . 60 ~ 7 . 47 ( 11 H , m ) , 7 . 41 ~ 7 . 29 ( 4 H , m )