共 20 条
[1]
BELLAMY LJ, 1969, ADV INFRARED GROUP F, P123
[3]
CURZON EH, UNPUBLISHED RESULTS
[6]
Gardini G. P., 1973, ADV HETEROCYCL CHEM, V15, P67
[8]
HAWKES GE, IN PRESS
[9]
LEVY GC, 1972, CARBON 13 NUCLEAR MA