ETHYL2-QUINOXALINECARBOXYLATE4-OXIDE(23395-75-7)质谱(MS)

Mass

MS-IW-7838          
ethyl 2-quinoxalinecarboxylate 4-oxide
C11H10N2O3          (Mass of molecular ion:    218)

   Source Temperature: 150 °C
   Sample Temperature: 120 °C
   Direct, 75 eV

      27.0       2.1
      28.0       1.3
      29.0       6.6
      39.0       1.9
      42.0      11.7
      50.0       2.0
      51.0       2.2
      62.0       1.2
      63.0       4.3
      64.0       2.4
      75.0       3.6
      76.0       3.0
      88.0       1.9
      89.0       2.7
      90.0       8.5
      91.0       5.6
     102.0       6.8
     103.0       2.2
     114.0       1.1
     118.0       3.2
     129.0       5.1
     130.0      12.4
     131.0       1.3
     145.0       6.8
     146.0     100.0
     147.0      10.7
     158.0       5.2
     173.0       3.5
     174.0      15.2
     175.0       1.6
     202.0       1.0
     218.0      37.7
     219.0       5.3