title: [High pressure liquid chromatography of dibenzylethylenediamine in benzathine penicillin].
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004340:Drug Contamination; D005029:Ethylenediamines / Q000032:analysis*; D010401:Penicillin G Benzathine / Q000032:analysis*
chemical_list: D005029:Ethylenediamines; C010044:benzathine; D010401:Penicillin G Benzathine
vernacular_title: Hochdruckflüssigkeitschromatographie von Dibenzylethylendiamin in Benzathin-penizillinen.