4',4',6,6-Tetramethyl-3,5,6,7-tetrahydrospiro[benzofuran-2(4H),1'-cyclohexane]-2',4,6'-trione

Mass

MS2001-00438WA      
4',4',6,6-tetramethyl-3,5,6,7-tetrahydrospiro(benzofuran-2(4H),1'-cyclohexane)-2',4,6'-trione
C17H22O4            (Mass of molecular ion:    290)

   Source Temperature: 195 °C
   Sample Temperature:  25 °C
   Direct, 70 eV

      27.0       2.8
      28.0       1.0
      29.0       5.8
      39.0       6.3
      40.0       1.9
      41.0      13.7
      42.0       1.7
      43.0       4.2
      51.0       3.0
      52.0       9.2
      53.0       5.0
      54.0       1.4
      55.0      18.0
      56.0       7.9
      65.0       2.3
      66.0       2.8
      67.0       1.9
      69.0       2.1
      70.0       1.0
      77.0       5.3
      78.0       1.5
      79.0       4.5
      80.0       5.5
      81.0       2.2
      82.0       1.2
      83.0     100.0
      84.0       5.6
      91.0       4.9
      93.0       3.7
      94.0       2.1
      95.0       1.9
     105.0       1.0
     107.0       1.5
     108.0       5.1
     109.0       1.7
     121.0       4.0
     122.0       3.2
     123.0       2.5
     124.0       1.4
     135.0       1.9
     136.0       1.6
     137.0       1.5
     149.0       2.3
     150.0       8.6
     151.0       1.9
     163.0       2.5
     164.0       4.0
     165.0       8.6
     166.0       1.1
     177.0       1.7
     178.0      51.3
     179.0       8.3
     190.0       5.9
     191.0       4.2
     192.0       2.3
     193.0       3.0
     206.0      49.9
     207.0      15.7
     208.0      14.0
     209.0       1.8
     219.0       7.3
     220.0       1.5
     231.0       1.2
     233.0       1.5
     234.0       2.8
     247.0       4.9
     248.0       1.1
     257.0       2.0
     262.0       4.9
     275.0       7.7
     276.0       1.4
     290.0      77.1
     291.0      14.3
     292.0       2.2