Electron impact mass spectrometry of 2-hydroxymethyl-3,4,5,6,7,8-hexahydro-2H-1-benzopyran-5-ones. The unusual presence of [MH3O]+ species in the fragmentation pattern of 4-phenyl derivatives
1982 ◽
Vol 30
(5)
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pp. 977-982
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1984 ◽
Vol 19
(10)
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pp. 496-501
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1990 ◽
Vol 27
(5)
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pp. 1293-1295
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1996 ◽
Vol 33
(3)
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pp. 815-823
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