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乙胺丁醇杂质A购买
目录号: PI20078001     品名: Ethambutol Impurity A
CAS No:N/A||Chemical Formula:C29H44N4O4||Molecular Weight:512.68406||Exact Mass:512.33626||1-(2-(1-((S)-1-hydroxy-3-methylbutan-2-yl)-3-(1-phenylethyl)ureido)et……
乙胺丁醇衍生物杂质1购买
目录号: PI20078021     品名: Ethambutol Derivative Impurity 1
CAS No:N/A||Chemical Formula:C28H42N4O4||Molecular Weight:498.65748||Exact Mass:498.32061||1,1'-(ethane-1,2-diyl)bis(1-((S)-1-hydroxybutan-2-yl)-3-(1-phenylethy……
乙胺丁醇衍生物杂质2购买
目录号: PI20078022     品名: Ethambutol Derivative Impurity 2
CAS No:N/A||Chemical Formula:C28H42N4O4||Molecular Weight:498.65748||Exact Mass:498.32061||1-((R)-1-hydroxybutan-2-yl)-1-(2-(1-((S)-1-hydroxybutan-2-yl)-3-(1-ph……

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