共 11 条
- [2] CRAIG JC, 1970, TETRAHEDRON, V26, P3457
- [3] Flynn E. H., 1972, CEPHALOSPORINS PENIC
- [4] KAISER GV, 1972, CEPHALOSPORINS PENIC
- [6] MITSCHER LA, 1972, LLOYDIA, V35, P311
- [8] NAGARAJAN R, 1972, CEPHALOSPORINS PENIC
- [9] NEELAKANTHAN L, 1969, 158 NAT M AM CHEM SO, P176