共 11 条
[1]
ACHESON RM, 1976, INTRO CHEM HETEROCYC, P174
[3]
GALL JH, 1979, CHEM COMMUN, P927
[9]
WEGE D, 1971, TETRAHEDRON LETT, P2337
[10]
WIERSUM UE, 1972, CHEM COMMUN, P347