4-乙氧基羰氧基-3,5-二甲氧基苯甲酸(18780-67-1)质谱(MS)

Mass

MS-NW-8804          
4-ethoxycarbonyloxy-3,5-dimethoxybenzoic acid
C12H14O7            (Mass of molecular ion:    270)

   Source Temperature: 200 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      18.0       1.4
      27.0       2.5
      28.0       2.7
      29.0      12.5
      39.0       2.0
      43.0       1.3
      44.0       1.1
      51.0       1.1
      53.0       1.6
      55.0       1.1
      65.0       3.1
      66.0       1.6
      67.0       1.4
      69.0       2.5
      77.0       1.2
      79.0       1.2
      81.0       2.1
      93.0       5.8
      95.0       1.3
     109.0       9.1
     110.0       1.5
     111.0       2.6
     123.0       2.0
     125.0       1.1
     127.0       3.3
     137.0       3.0
     139.0       1.7
     141.0       2.8
     151.0       3.2
     152.0       2.0
     153.0       2.7
     154.0       2.1
     155.0       2.7
     166.0       1.3
     168.0       1.8
     169.0       2.2
     181.0       3.6
     182.0       1.1
     183.0      22.8
     184.0       2.1
     197.0       5.2
     198.0     100.0
     199.0      10.2
     200.0       1.5
     212.0       1.1
     225.0       1.9
     226.0       4.8
     270.0       7.7
     271.0       1.1