欧前胡素

Mass

MS-IW-7981          
9-(3-methyl-2-butenyloxy)furo(3,2-g)chromen-7-one
C16H14O4            (Mass of molecular ion:    270)

   Source Temperature: 180 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      27.0       1.0
      39.0       2.4
      41.0       8.2
      53.0       1.9
      62.0       1.0
      63.0       3.5
      67.0       2.6
      68.0       1.8
      69.0       7.1
      89.0       6.1
      90.0       3.2
     118.0       1.5
     145.0       2.6
     146.0       3.1
     173.0       1.8
     174.0      17.7
     175.0       2.0
     201.0       1.3
     202.0     100.0
     203.0      12.7
     204.0       1.5