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J Jindra und S Škramovský
J Šantrůček I Němec und J Zýka
Isolierung kleiner Zirkoniummengen aus Salpetersäure Lösungen an mittels Phenyl
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5-azacytidine acetic acid acetone activity added addition afforded alcohol aqueous calculated carbonate Chem Chim chloroform chromatography coli collected column components compound concentration constant containing cooled corresponding crystallisation crystallized curves dependence derivative described determined diluted dimethylformamide Dinitril dissolved dried durch effect epoxide ester ether experiments extracted filtered follows formed fractions gave given hydrazide hydrochloric hydrogen bromide hydrogen chloride identical incorporation Infra-red Institute isolated Journal ketone light liver Lösung lysyl-s-RNA measured melting methanol Methyl minutes obtained potassium precipitate prepared presence procedure protected pyridine ratio reaction mixture reduced pressure refluxed removed residue room temperature sample for analysis sodium solution solvent spectrum stand studied Substanz synthesis Table taken treated VIII washed Wasser wave wurde wurden yield