penicillin g Definition

the penicillin C16H18N2O4S that constitutes the principal or sole component of most commercial preparations and is used chiefly in the form of its stable salts (as the sodium salt C16H17N2NaO4S or potassium salt C16H17KN2O4S) —called also benzylpenicillin

penicillin g benzathine

an aqueous suspension of a relatively insoluble salt of penicillin G that is absorbed slowly following intramuscular injection to provide a low but persistent level of penicillin G in the blood plasma —called also benzathine penicillin G

an aqueous suspension of equimolar amounts of penicillin G and procaine that provides a low but persistent serum level of penicillin G following intramuscular injection —called also procaine penicillin G

penicillin g procaine