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N-SUBSTITUTED HETEROCYCLIC CATIONS .5. USE OF PROTON MAGNETIC RESONANCE SPECTROSCOPY IN SOLUTION OF SOME CLASSICAL STRUCTURAL PROBLEMS
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JOURNAL OF THE CHEMICAL SOCIETY,
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[2]
SOME 5-AZAQUINOXALINES AND 4-AZABENZIMINAZOLES
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1948, (SEP)
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