Mass

MS-IW-7996          
1,4-dimethoxy-5,5a,6,10,10a,11-hexahydro-5,11-ethano-6,10-ethenocyclohepta(b)naphthalen-7-one
C21H22O3            (Mass of molecular ion:    322)

   Source Temperature: 160 °C
   Sample Temperature: 140 °C
   Direct, 75 eV

      77.0       1.3
      78.0       1.1
      91.0       1.9
     103.0       1.3
     115.0       4.0
     116.0       1.0
     117.0       1.3
     131.0       1.8
     132.0       1.0
     133.0       1.0
     134.0       1.9
     143.0       1.0
     144.0       1.7
     145.0       1.6
     147.0       3.3
     158.0       1.8
     159.0       8.9
     160.0       2.6
     161.0       1.0
     173.0       2.4
     174.0       2.4
     175.0      17.6
     176.0       2.8
     188.0       6.1
     189.0      16.0
     190.0     100.0
     191.0      15.7
     192.0       1.6
     322.0      44.0
     323.0      10.4
     324.0       1.6