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HPLC METHOD FOR THE ANALYSIS OF BOSENTAN AND RELATED SUBSTANCES AND USE OF THESE SUBSTANCES AS REFERENCE STANDARDS AND MARKERS Chromatography mass spectrometry fragmentation
HPLC METHOD FOR THE ANALYSIS OF BOSENTAN AND RELATED SUBSTANCES AND USE OF THESE SUBSTANCES AS REFERENCE STANDARDS AND MARKERS Chromatography mass spectrometry fragmentation
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机译:HPLC方法分析波生坦及相关物质,以及将这些物质用作参考标准和标志物色谱质谱法碎裂
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摘要
Disclosed are bosentan degradation compounds A-E and their use as reference markers in a chromatographic method for testing the purity of a sample of bosentan. The compounds are: Compound A: N-[6-(2-(2-hydroxyethoxy)ethoxy)-5-hydroxy-2-(pyrimidin-2-yl)-pyrimidin-4-yl]-4-tert-butyl benzene sulphonamide. Compound B: N-[6-(ethene-1-oxy)-5-hydroxy-2-(pyrimidin-2-yl)-pyrimidin-4-yl]-4-tertbutyl benzene sulphonamide. Compound C: N-[6-(2-(2-hydroxyethoxy)ethoxy)-5-(2-methoxyphenoxy)-2-(pyrimidin-2-yl)-pyrimidin-4-yl]-4-tert-butyl benzene sulphonamide. Compound D: N-[6-hydroxy-S-(2-methoxyphenoxy)-2-(pyrimidin-2-yl)-pyrimidin-4-yl]-4-tert-butyl benzene sulphonamide. Compound E: N-[6-(ethene-1-oxy)-S-(2-methoxyphenoxy)-2-(pyrimidin-2-yl)-pyrimidin-4-yl]-4-tert-butyl benzene sulphonamide.
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