共 12 条
[2]
N-SUBSTITUTED HETEROCYCLIC CATIONS .5. USE OF PROTON MAGNETIC RESONANCE SPECTROSCOPY IN SOLUTION OF SOME CLASSICAL STRUCTURAL PROBLEMS
[J].
JOURNAL OF THE CHEMICAL SOCIETY,
1965, (FEB)
:1372-&
[6]
Popp F. D., 1968, ADV HETEROCYCLIC CHE, V9, P1
[9]
RUPE H, 1939, HELV CHIM ACTA, V22, P1241