(2,5-dioxoimidazolidin-4-ylidene)acetic acid

Mass

MS-IW-6480          
(2,5-dioxo-4-imidazolidinylidene)acetic acid
C5H4N2O4            (Mass of molecular ion:    156)

   Source Temperature: 170 °C
   Sample Temperature: 190 °C
   Direct, 75 eV

      14.0       1.3
      17.0       1.5
      18.0       6.5
      26.0       3.1
      27.0      17.2
      28.0      24.6
      29.0       3.5
      38.0       4.7
      39.0      13.3
      40.0      29.1
      41.0      32.3
      42.0      19.8
      43.0       9.1
      44.0      41.1
      45.0       7.9
      51.0       1.6
      52.0       1.6
      53.0       2.7
      54.0       1.1
      66.0       1.4
      67.0      25.8
      68.0      64.5
      69.0      10.8
      70.0       7.8
      85.0      55.6
      86.0       3.2
      94.0       1.6
      95.0      15.7
     111.0       1.0
     112.0      44.2
     113.0       6.7
     138.0      40.0
     139.0       9.2
     156.0     100.0
     157.0       7.3
     158.0       1.0