<unk>  (INN), also spelled<unk> e, is an antibiotic used primarily in the treatment of staphylococcal infections, and to a lesser extent streptococcal infections. It is a streptogramin group antibiotic, similar to virginiamycin, derived from the bacterium Streptomyces pristina spiralis. It is marketed in Europe by Sanofi-Aventis under the trade name Pyostacine.<unk>  is a mixture of two components that have a synergistic antibacterial action.<unk>  I is a macrolide, and results in<unk>  having a similar spectrum of action to erythromycin.<unk>  II is a depsipeptide.
Pristinamycin
Clindamycin hydrochloride 
Plicamycin
Rokitamycin
Teicoplanin
Meropenem
Spiramycin
Gemifloxacin mesylate