氧化前胡素

Mass

MS-IW-7264          
4-((3,3-dimethyl-2-oxiranyl)methoxy)furo(3,2-g)chromen-7-one
C16H14O5            (Mass of molecular ion:    286)

   Source Temperature: 170 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      17.0       2.4
      18.0      12.6
      27.0       3.6
      28.0       1.9
      29.0       7.2
      31.0       3.6
      38.0       1.2
      39.0       5.6
      40.0       1.3
      41.0      15.6
      42.0       1.6
      43.0      24.1
      44.0       1.0
      45.0       2.2
      50.0       1.7
      51.0       5.4
      53.0       3.1
      55.0       8.3
      56.0       1.2
      57.0       9.2
      59.0      23.2
      62.0       1.2
      63.0       3.0
      65.0       1.0
      67.0       5.1
      68.0       2.6
      69.0       5.2
      71.0      11.3
      74.0       1.2
      75.0       2.3
      77.0       1.0
      79.0       1.4
      83.0       1.3
      84.0       5.4
      85.0      37.6
      86.0       2.3
      87.0       1.8
      89.0       5.7
      90.0       2.9
     101.0       2.0
     117.0       1.1
     118.0       4.3
     129.0       1.7
     145.0       6.7
     146.0       3.2
     157.0       2.9
     173.0       4.7
     174.0      26.1
     175.0       2.9
     185.0       2.1
     186.0       3.1
     187.0       9.7
     188.0       1.3
     201.0      10.5
     202.0     100.0
     203.0      13.3
     204.0       1.6
     215.0       9.9
     216.0       7.2
     217.0       1.1
     268.0       1.4
     286.0      73.9
     287.0      14.2
     288.0       2.3