Liquid-chromatographic analysis of a novel antitussive agent, 2',4'-dimethyl-6'-methoxy-3-(2-methyl-piperidyl)propionanilide in human urine.
Linko-Löppönen
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Orion Pharmaceutical Co., Research Center, P.O. Box 8, SF 02101 Espoo 10, Finland.
Nissinen
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