Crystal form O of clarithromycin
 The present invention concerns the novel antiobiotic 6-O-methylerythromycin A form O solvate, a process for its preparation, pharmaceutical compositions comprising this compound and a method of use as a therapeutic agent. 
Abbott Laboratories
C A A
C07H A61P A61P
inventional inventional inventional
Rodger F. Stephen G. Jih-Hua David A.
Henry Spanton Liu Riley