3-Methyl-2-oxo-1-oxaspiro[4.5]dec-3-ene-4-carboxylic acid

Mass

MS-IW-5487          
3-methyl-2-oxo-1-oxaspiro(4.5)dec-3-ene-4-carboxylic acid
C11H14O4            (Mass of molecular ion:    210)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       1.3
      18.0       7.4
      27.0       4.5
      28.0       2.7
      29.0       2.7
      39.0       9.1
      40.0       1.6
      41.0      11.5
      42.0       3.0
      43.0       5.4
      44.0       4.0
      50.0       1.0
      51.0       3.1
      52.0       1.4
      53.0       3.7
      54.0       1.8
      55.0      10.8
      56.0       3.6
      63.0       2.0
      64.0       1.2
      65.0       2.7
      66.0       3.0
      67.0      15.5
      68.0       3.5
      69.0       4.4
      70.0       2.0
      77.0       4.4
      78.0       2.5
      79.0       4.7
      80.0       2.5
      81.0       5.1
      82.0       2.9
      83.0       1.4
      84.0       4.3
      85.0       1.6
      87.0       1.9
      91.0       6.0
      92.0       2.2
      93.0       2.9
      94.0       3.5
      95.0       4.0
      96.0       1.5
      97.0       2.2
      98.0       3.3
     103.0       1.4
     105.0       3.1
     107.0       1.7
     108.0      10.3
     109.0       6.8
     110.0       2.6
     111.0       4.1
     112.0       3.9
     113.0       1.6
     115.0       4.2
     116.0       1.2
     117.0       3.0
     118.0       2.2
     119.0       3.9
     120.0       1.8
     121.0       3.7
     122.0       3.6
     123.0       1.9
     125.0       1.5
     126.0      12.6
     127.0       2.4
     128.0       3.6
     129.0       2.8
     130.0       3.1
     131.0       2.4
     135.0       4.6
     136.0      10.1
     137.0      18.1
     138.0       3.4
     139.0       3.3
     140.0       1.8
     145.0       1.4
     146.0       3.8
     147.0       2.7
     148.0       2.6
     149.0       7.6
     150.0       3.9
     151.0       1.1
     154.0      21.4
     155.0       8.8
     156.0       2.4
     163.0       3.1
     164.0      14.6
     165.0     100.0
     166.0      15.8
     167.0       4.9
     168.0       2.6
     174.0       2.7
     182.0       1.7
     192.0      12.3
     193.0       1.8
     210.0      17.9
     211.0       2.5