[Study of the accompanying compounds contained in commercial preparations of tetracycline. Identification of epitetracycline].
D002623:Chemistry Techniques, Analytical; D002854:Chromatography, Paper; D003377:Countercurrent Distribution; D013053:Spectrophotometry; D013752:Tetracycline / Q000032:analysis*
D013752:Tetracycline
Izuchenie soputstvuiushchikh veshchestv, soderzhashchikhsia v tovarnykh preparatakh tetratsiklina. Identifikatsiia épitetratsiklina.