共 53 条
[41]
THEBTARAMONTH Y, 1985, TETRAHEDRON LETT, V26, P4077
[42]
TOMBRET F, 1981, THESIS ROUEN
[45]
WOLLENBERG RH, 1978, TETRAHEDRON LETT, P717
[46]
7428582
[47]
1098521
[48]
1956, Patent No. 950552
[49]
3013080
[50]
1288975