共 10 条
[1]
ACHIWA K, 1978, TETRAHEDRON LETT, P1475
[5]
CULLEN WR, 1978, TETRAHEDRON LETT, P1635
[6]
DRINKARD WJ, 1969, Patent No. 1806098
[8]
PRACEJUS G, 1977, TETRAHEDRON LETT, P3497