咪唑-4,5-二羧酸

Mass

MS-IW-0829          
4,5-imidazoledicarboxylic acid
C5H4N2O4            (Mass of molecular ion:    156)

   Source Temperature: 180 °C
   Sample Temperature: 230 °C
   Direct, 75 eV

      18.0       3.1
      27.0       2.2
      28.0      15.9
      29.0       2.8
      38.0       3.1
      39.0       5.5
      40.0      21.0
      41.0      10.8
      42.0       1.2
      44.0      64.0
      45.0       4.0
      56.0       1.0
      57.0       1.1
      65.0       1.1
      66.0       2.5
      67.0      34.9
      68.0      32.4
      69.0       1.6
      84.0       1.5
      85.0       1.0
      93.0       1.0
      94.0      45.5
      95.0      20.6
      96.0       1.2
     112.0     100.0
     113.0       6.7
     121.0       8.2
     139.0       2.1
     156.0      10.4
     157.0       1.6