cas no:50370-12-2||chemical formula:c16h17n3o5s||molecular weight:363.38800||exact mass:363.38800||(6r,7r)-7-((r)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl……
cas no:147103-96-6||chemical formula:c16h19n3o6s||molecular weight:381.40356||exact mass:381.09946||2r,5rs)-2-[(r)-[[(2r)-2-amino-2-(4-hydroxyphenyl)-acetyl]ami……
目录号: pi00031006 品名: cefadroxil impurity e ( cefprozil impurity c)
cas no:147103-93-3||chemical formula:c11h11n3o3||molecular weight:233.22334||exact mass:233.08004||(r)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dion……
cas no:147103-95-5||chemical formula:c24h24n4o7s||molecular weight:512.53700||exact mass:512.13657||(6r,7r)-7-((r)-2-((r)-2-amino-2-(4-hydroxyphenyl)acetamido)-……
cas no:146794-70-9||chemical formula:c13h18n2o4s||molecular weight:298.35700||exact mass:298.09873||(6r,7r)-3-methyl-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.……
cas no: |chemical formula: c19h21n3o7s|(6r,7r)-7-((r)-2-((ethoxycarbonyl)amino)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-……
cas no: |chemical formula: c48h48n8o14s2|(6r,7r)-7-((2r,5r,11r,14r)-14-amino-8-(4-carboxy-5-methyl-3,6-dihydro-2h-1,3-thiazin-2-yl)-2,5,11,14-tetrakis(4-hydro……
cas no: |chemical formula: c32h32n6o9s2|(6r,7r)-7-((r)-2-((6r,7r)-7-((r)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-……