4-(Ethoxycarbonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid(5442-91-1) ¹H NMR

Mass

MS2004-02254WA      
4-ethyl hydrogen 3,5-dimethyl-2,4-pyrroledicarboxylate
C10H13NO4           (Mass of molecular ion:    211)

   Source Temperature: 250 °C
   Sample Temperature:  50 °C
   Direct, 70 eV

      18.0       1.4
      27.0       2.6
      28.0       1.8
      29.0       2.7
      39.0       7.6
      40.0       2.2
      41.0       2.3
      42.0       3.0
      43.0       2.2
      44.0       3.0
      51.0       3.4
      52.0       2.0
      53.0       2.6
      63.0       2.5
      64.0       2.8
      65.0      17.0
      66.0       8.2
      67.0       3.6
      79.0       7.6
      80.0       2.7
      81.0       1.5
      82.0       2.0
      83.0       1.0
      90.0       1.5
      91.0       5.9
      92.0       8.3
      93.0       6.6
      94.0       2.8
     108.0       1.3
     109.0       1.9
     119.0       8.5
     120.0      10.8
     121.0       8.9
     122.0      12.2
     123.0       1.3
     136.0       3.0
     137.0       9.8
     138.0      17.5
     139.0       4.4
     147.0      30.3
     148.0      81.7
     149.0      13.0
     150.0       2.0
     164.0      77.6
     165.0      53.5
     166.0      39.5
     167.0      14.9
     168.0       1.6
     182.0      37.2
     183.0      12.1
     184.0       1.3
     193.0       5.7
     194.0       3.1
     211.0     100.0
     212.0      11.3
     213.0       1.4
     239.0       2.0