학술논문

beta.-lactam compounds
Document Type
Patent
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Abstract
Compounds of the formula ##STR1## where Z, A, and R are as disclosed herein and pharmaceutically compatible, readily hydrolyzable esters and salts of these compounds are disclosed.
The compounds have .beta.-lactamase inhibiting properties and are useful in the control of .beta.-lactamase-forming pathogens in combination with .beta.-lactam antibiotics. They also exhibit antibacterial activity of their own and can accordingly be used themselves in the control or treatment of infectious diseases.