富马酸二甲酯

Mass

MS-NW-0257          
dimethyl fumarate
C6H8O4              (Mass of molecular ion:    144)

   Source Temperature: 150 °C
   Sample Temperature:   0 °C
   Direct, 75 eV

      15.0      30.6
      25.0       1.2
      26.0      14.7
      27.0       4.4
      29.0       6.5
      30.0       1.5
      31.0       2.5
      39.0       4.7
      41.0       3.4
      42.0       1.6
      53.0      16.8
      54.0      12.5
      55.0       3.4
      59.0      30.6
      81.0       2.9
      82.0       6.4
      85.0      57.8
      86.0       2.8
      99.0       2.0
     100.0       4.4
     113.0     100.0
     114.0      20.1
     115.0       1.6
     144.0       4.7
     145.0       1.7

Parameter ppm Hz D(A) 6.864 D(B) 3.814

     Hz     ppm     Int.

   2059.21   6.864    333
   1144.19   3.814   1000