| Microorganism |  |  |  | 
  
    | Antimicrobial |  |  | Reference | 
            
			        
			            | Staphylococci (coagulase-negative + quinolone-susceptible) | 0.015 | 0.03 | ≤0.008 - >4 | WCK-771  | 162 | 
                
			        
			            | Staphylococci (coagulase-negative + quinolone-susceptible) | 0.02 | 0.03 | ? - ? | WCK-919  | 162 | 
                
			        
			            | Staphylococci (coagulase-negative + quinolone-susceptible) | 0.25 | 0.5 | ? - ? | Quinupristin/Dalfopristin (Synercid)  | 162 |