Mass

MS-IW-5921          
diethyl 3-acetoxyazuleno(2,1-b)thiophene-2,9-dicarboxylate
C20H18O6S           (Mass of molecular ion:    386)

   Source Temperature: 180 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      27.0       1.0
      28.0       1.1
      29.0       1.5
      31.0       1.2
      42.0       1.9
      43.0       4.5
      45.0       1.0
      75.0       1.1
     113.0       1.3
     114.0       1.1
     115.0       1.1
     125.0       2.3
     126.0       5.3
     127.0       1.7
     153.0       1.6
     154.0       4.3
     155.0       1.7
     157.0       1.2
     158.0       3.2
     169.0      10.1
     170.0       6.7
     171.0       2.1
     182.0       1.5
     185.0       1.0
     186.0       1.1
     197.0       2.0
     198.0       3.6
     213.0       1.4
     215.0       2.5
     225.0       2.0
     226.0      13.6
     227.0       2.4
     241.0       1.2
     243.0       2.9
     253.0      21.3
     254.0       3.8
     255.0       1.6
     259.0       2.7
     270.0       9.1
     271.0       4.7
     272.0       1.6
     284.0       1.5
     287.0       1.1
     298.0     100.0
     299.0      22.4
     300.0       7.7
     301.0       1.3
     341.0       2.8
     344.0      69.7
     345.0      14.5
     346.0       5.3
     386.0      15.0
     387.0       3.5
     388.0       1.2