共 6 条
[1]
CAUQUIL G, 1947, CR HEBD ACAD SCI, V225, P578, DOI 10.1002/hlca.19470300221
[2]
GREENE TW, 1991, PROTECTIVE GROUPS OR
[3]
Kocienski P.J., 1994, PROTECTING GROUPS
[6]
YAN L, 1995, SYNLETT, P523