4-甲氧基-6-甲基-2H-吡喃酮

Mass

MS-NW-8914          
4-methoxy-6-methyl-2H-pyran-2-one
C7H8O3              (Mass of molecular ion:    140)

   Source Temperature: 270 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0       7.0
      18.0       1.1
      26.0       3.2
      27.0       5.9
      28.0       2.1
      29.0       2.4
      37.0       1.8
      38.0       6.9
      39.0      11.1
      40.0       2.5
      41.0       7.8
      42.0       4.1
      43.0      44.6
      44.0       1.2
      50.0       1.7
      51.0       1.9
      52.0       1.1
      53.0      12.5
      54.0       3.8
      55.0       2.8
      57.0       1.8
      59.0      26.5
      63.0       1.0
      66.0       5.0
      67.0       2.7
      68.0       2.6
      69.0      55.4
      70.0       2.6
      82.0       6.6
      83.0       8.6
      95.0       1.8
      97.0       8.8
      98.0       3.1
     111.0       2.6
     112.0     100.0
     113.0       6.7
     125.0      57.4
     126.0       3.8
     140.0      59.8
     141.0       5.3