Effect of the hydroxyl group of the p-hydroxyphenyl moiety of aspoxicillin, a semisynthetic penicillin, on its pharmacokinetic property.


The serum concentrations, urinary and biliary excretions of six penicillin derivatives including aspoxicillin (ASPC) were studied in rats and the correlation between the values of pharmacokinetic parameters thus obtained and the Rm values measured by means of reversed phase TLC were analyzed. Among the penicillins studied, the hydrophilicity of amoxicillin… (More)

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