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A gas chromatographic method for the estimation of phenprocoumon, 3-(1-phenyl-propyl)-4-hydroxycoumarin (Marcoumar,
Abstract:
A rapid and reliable gas-chromatographic method is described for the estimation of phenprocoumon from human serum or plasma. No interference was found from other usual oral anticoagulant drugs. The method can be used for therapeutic and toxic levels. The appearance of two volatile derivatives of phenprocoumon (in constant ratio) is discussed.