1,3-DIAZA-SPIRO[4.4]NONANE-2,4-DIONE(699-51-4) ¹H NMR

Mass

MS2003-01649WA      
1,3-diazaspiro(4.4)nonane-2,4-dione
C7H10N2O2           (Mass of molecular ion:    154)

   Source Temperature: 250 °C
   Sample Temperature:  75 °C
   Direct, 70 eV

      18.0       1.4
      26.0       2.0
      27.0       8.9
      28.0       8.1
      29.0       2.9
      38.0       1.6
      39.0      15.0
      40.0       4.8
      41.0      31.8
      42.0      10.1
      43.0       2.8
      44.0       4.4
      51.0       1.9
      52.0       3.2
      53.0       4.9
      54.0      70.6
      55.0      26.7
      56.0       2.5
      65.0       2.3
      66.0       1.5
      67.0       5.4
      68.0       4.2
      69.0       5.5
      70.0       4.4
      80.0       1.7
      81.0       1.1
      82.0      17.0
      83.0      69.8
      84.0       4.3
      85.0       1.3
      96.0       3.7
     100.0       4.4
     109.0       1.5
     111.0       1.0
     112.0      72.1
     113.0      45.9
     114.0       2.5
     125.0      26.2
     126.0      12.1
     139.0       3.5
     154.0     100.0
     155.0       8.6