| 5705645 |
Hereroaryl derivatives of monocyclic beta-lactam antibiotics |
William H. Koster, Joseph E. Sundeen, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1998-01-06 |
| 5420277 |
Intermediates for the preparation of heteroaryl derivatives of monocyclic beta-lactam antiobiotics |
William H. Koster, Joseph E. Sundeen, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1995-05-30 |
| 5318963 |
Heterocyclic hydrazide derivatives of monocyclic .beta.-lactam antibiotics |
Peter H. Ermann |
1994-06-07 |
| 5290929 |
Heteroaryl derivatives of monocyclic beta-lactam antibiotics |
William H. Koster, Joseph E. Sundeen, Peter H. Ermann, Uwe D. Treuner, Kent Amsberry +2 more |
1994-03-01 |
| 5270334 |
4-methoxy-5-methyl-pyran-3-ol natural products and derivatives thereof |
Joseph O'Sullivan, Douglas W. Phillipson, Peter H. Ermann |
1993-12-14 |
| 5266593 |
Substituted pyran derivatives having antiinfective activity |
Peter H. Ermann, Uwe D. Treuner, Jakob-Matthias Drossard |
1993-11-30 |
| 5250691 |
Heteroaryl derivatives of monocyclic beta-lactam antibiotics |
Jakob-Matthias Drossard |
1993-10-05 |
| 4939253 |
2-oxoazetidin-1-yloxy acetic acids and analogs |
Hermann Breuer |
1990-07-03 |
| 4801705 |
2-oxo-1-(((substituted sulfonyl)amino)-carbonyl)azetidines |
Hermann Breuer, Jakob-Matthias Drossard, Peter H. Ermann, Uwe D. Treuner |
1989-01-31 |