日本前胡醇

Mass

MS-IW-7260          
(S)-7-hydroxy-8,8-dimethyl-7,8-dihydropyrano(3,2-g)chromen-2(6H)-one
C14H14O4            (Mass of molecular ion:    246)

   Source Temperature: 170 °C
   Sample Temperature: 150 °C
   Direct, 75 eV

      17.0       2.4
      18.0      12.5
      27.0       1.2
      28.0       1.1
      39.0       2.5
      41.0       3.1
      43.0      20.6
      50.0       1.2
      51.0       4.4
      55.0       1.0
      57.0       4.0
      59.0       4.1
      63.0       1.7
      64.0       1.0
      65.0       2.3
      69.0       6.7
      71.0      15.0
      72.0       4.1
      76.0       1.3
      77.0       4.8
      78.0       1.0
      79.0       1.4
      89.0       2.1
      90.0       1.4
      91.0       4.0
      92.5       1.0
     102.0       1.7
     103.0       1.4
     118.0       1.2
     119.0       2.6
     128.0       1.3
     131.0       2.7
     146.0       1.3
     147.0      13.3
     148.0       5.5
     159.0       1.4
     160.0       2.8
     173.0       1.0
     175.0      91.3
     176.0     100.0
     177.0      11.1
     178.0       1.2
     185.0       3.0
     187.0      10.5
     188.0      16.7
     189.0       2.5
     201.0       1.0
     203.0       1.2
     213.0      24.0
     214.0       3.4
     227.0       1.8
     228.0       9.5
     229.0       1.6
     246.0      73.8
     247.0      12.2
     248.0       1.6