[Electron microscopic observations of two cases of monstrocellular sarcoma of the brain in vivo and in vitro (author's transl)].
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Biomedical subjects
Publications and source records attributed to O Kubo.
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The metabolism of tulobuterol, a new bronchodilating agent, has been studied in the dog, rat, rabbit, and guinea pig. Major basic metabolites of tulobuterol excreted in the urine were identified by comparison of the retention times of a gas chromatogram and/or a mass chromatogram, and of mass spectra with those of the authentic compounds. 4,5-Dihydroxytulobuterol and/or 4-hydroxy-3-methoxytulobuterol were identified in the urine of these species. There were species differences in the extent and direction of ring-hydroxylation and subsequent O-methylation.