1 H NMR ( 399 . 9 MHz , CDCl 3 ) δ 1 . 31 - 1 . 41 ( 2 H , m ) , 1 . 89 - 2 . 00 ( 3 H , m ) , 2 . 99 - 3 . 06 ( 2 H , m ) , 3 . 38 - 3 . 39 ( 2 H , m ) , 3 . 55 - 3 . 57 ( 2 H , m ) , 3 . 74 - 3 . 76 ( 2 H , m ) , 4 . 23 - 4 . 27 ( 2 H , m ) , 7 . 08 ( 1 H , d ) , 7 . 90 ( 1 H , d ) , OH 관찰 되 지 않 음 ; m / z = 346 [ M + H ] +.