1 - 40 δ = 9 . 38 ( 1 H , s ) , 9 . 24 ( 1 H , s ) , 8 . 87 ( 3 H , d ) , 8 . 64 ( 1 H , s ) , 8 . 30 ~ 8 . 21 ( 3 H , m ) , 8 . 08 ( 1 H , d ) , 7 . 90 ( 1 H , d ) , 7 . 80 ( 2 H , d ) , 7 . 72 ~ 7 . 32 ( 19 H , d )