共 22 条
[4]
HATFIELD LD, 1970, TETRAHEDRON LETT, P4897
[5]
HEUSLER K, 1970, Patent No. 1935459
[6]
HEUSLER K, 1970, Patent No. 1935638
[7]
HEUSLER K, 1970, Patent No. 1935970
[8]
HEUSLER K, 1970, Patent No. 1935640
[9]
JOHNSON DA, 1969, TETRAHEDRON LETT, P267
[10]
KAGAN HB, 1964, TETRAHEDRON LETT, P941