| abstract |
Novel 3'-N-modified 6-O-substituted erythromycin ketolide compounds and pharmaceutically acceptable salts and esters thereof having antibacterial activity having formula (I), (II), (III), (IV) or (V), compositions comprising a therapeutically effective amount of a compound of the invention in combination with a pharmaceutically acceptable carrier, as well as a method for treating bacterial infections by administering to a mammal a pharmaceutical composition containing a therapeutically-effective amount of a compound of the invention. |