-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Cephalosporin antibiotics
-
Patent number 4,342,869
-
Issue date Aug 3, 1982
-
Merck & Co., Inc.
-
Burton G. Christensen
-
C07 - ORGANIC CHEMISTRY
-
-
Cephalosporin antibiotics
-
Patent number 4,338,438
-
Issue date Jul 6, 1982
-
Merck & Co., Inc.
-
Burton G. Christensen
-
C07 - ORGANIC CHEMISTRY
-
Cephalosporin antibiotics
-
Patent number 4,338,437
-
Issue date Jul 6, 1982
-
Merck & Co., Inc.
-
Burton G. Christensen
-
C07 - ORGANIC CHEMISTRY
-
-
-
Cephalosporin intermediates
-
Patent number 4,324,890
-
Issue date Apr 13, 1982
-
Merck & Co., Inc.
-
Burton G. Christensen
-
C07 - ORGANIC CHEMISTRY
-
-
-
-
-
-
-
7-Diacylimido cephalosporins
-
Patent number 4,107,432
-
Issue date Aug 15, 1978
-
Merck & Co., Inc.
-
Burton G. Christensen
-
C07 - ORGANIC CHEMISTRY
-
7-Diacyl cephalosporins
-
Patent number 4,058,661
-
Issue date Nov 15, 1977
-
Merck & Co., Inc.
-
Lovji D. Cama
-
C07 - ORGANIC CHEMISTRY
-