共 20 条
[2]
C-13 CHEMICAL-SHIFTS AND SUBSTITUENT EFFECTS IN METHYLAZULENES
[J].
TETRAHEDRON,
1977, 33 (14)
:1827-1832
[5]
DANHEISER RL, 1987, HETEROCYCLES, V25, P277
[7]
Hafner K, 1961, LIEBIGS ANN CHEM, V650, P42
[9]
JUTZ JC, 1978, TOP CURR CHEM, V73, P125
[10]
LLOYD D, 1984, NONBENZENOID CONJUGA, P352