in a randomized cross-over study 10 healthy male volunteers received a single 1 g dose of 6- [ r ] -2-3-methylsulfonyl -2- oxo-imidazolisine -1- carboxamido ) -2- phenyl-acetamido ] -penicillanic acid sodium salt ( mezlocillin ) and of ampicillin , either intravenously or intramuscularly .
C0025893
mezlocillin
C0002680
ampicillin