the antimicrobial activity of 6- [ ( r ) -2 [ 3-methylsulfonyl-2-oxo-imidazolidine-1-carboxamido ] -2-phenylacetamido ] - penicillanic acid sodium salt ( mezlocillin , baypen ) and 6- [ ( r ) -2- ( 2-oxo-imidazolidine-1-carboxamido ) -2-phenylacetamido-a1-penicillanic acid sodium salt ( azlocillin , securopen ) was measured against 545 clinical isolates , including gram-negative rods , gram-positive cocci and bacteroides .
C0025893
mezlocillin
C0701901
baypen