(-)-白花前胡乙素

Mass

MS-IW-7272          
8,8-dimethyl-2-oxo-2,8,9,10-tetrahydropyrano(2,3-f)chromene-9,10-diyl bis((Z)-2-methyl-2-butenoate)
C24H26O7            (Mass of molecular ion:    426)

   Source Temperature: 170 °C
   Sample Temperature: 160 °C
   Direct, 75 eV

      18.0       2.9
      27.0       2.2
      28.0       1.4
      29.0       3.8
      39.0       4.1
      41.0       1.9
      43.0       1.7
      51.0       1.2
      53.0       3.2
      54.0       3.5
      55.0      37.2
      56.0       1.9
      69.0       1.0
      71.0       1.0
      82.0       7.2
      83.0     100.0
      84.0       6.2
      85.0       1.6
     100.0       4.1
     185.0       1.4
     189.0       1.0
     198.0       2.0
     199.0       1.0
     201.0       2.4
     213.0       8.7
     214.0       1.4
     215.0       1.0
     226.0       4.2
     227.0       5.9
     228.0       2.2
     229.0      17.5
     230.0       2.6
     243.0       3.6
     244.0       5.1
     245.0       1.8
     311.0      10.9
     312.0       2.2
     326.0       9.1
     327.0      14.9
     328.0       3.2