共 18 条
- [2] BENTLEY PH, 1976, TETRAHEDRON LETT, V41, P3739
- [5] CHENEY LC, 1966, Patent No. 3284451
- [6] CEPHALOSPORANIC ACIDS .4. 7-ACYLAMIDOCEPH-2EM-4-CARBOXYLIC ACIDS [J]. JOURNAL OF THE CHEMICAL SOCIETY C-ORGANIC, 1966, (13): : 1142 - &
- [7] CEPHALOSPORANIC ACIDS .I. INFRARED ABSORPTION AND PROTON MAGNETIC RESONANCE SPECTRA OF CEPHALOSPORIN AND PENICILLIN ANALOGUES [J]. JOURNAL OF THE CHEMICAL SOCIETY, 1965, (MAR): : 1595 - &
- [8] Henne A. L., 1944, ORG REACT, V2, P49