| 摘要 |
<p>Novel 3-(substituted)-3-methyl-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate, 4,4-dioxides of formula (I) wherein R2 is OR3 or NR4R5, which are of value for use in combination with β-lactam antibiotics to increase the effectiveness of the antibiotics.</p> |
