目录号: pi04003011 品名: ampicillin ep impurity j（potassium salt）
cas no: 6489-58-3（free base）||chemical formula:c13h19n2o4sk||molecular weight:338.46330||exact mass：338.07026||potassium salt (2s,5r,6r)-6-[(2,2-dimethylpropano……
cas no: | chemical formula: c32h38n6o8s2|(2s,5r,6r)-6-((2r)-2-(2-((r)-2-amino-2-phenylacetamido)-2-((4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)……
cas no:n/a||chemical formula:c16h19n3o4s||molecular weight:349.40500||exact mass:349.10963||(s)-6-((r)-2-amino-2-phenylacetamido)-2,2-dimethyl-7-oxo-2,3,4,7-tet……
cas no: | chemical formula:c32h40n6o9s2|(4s)-2-(1-((r)-2-amino-2-phenylacetamido)-2-(((1r)-2-((carboxy((4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)……
目录号: pi04003017 品名: ampicillin impurity p (ep)（a dimer）
cas no: | chemical formula:c32h38n6o8s2|(2s,5r,6r)-6-((2r)-2-(2-((r)-2-amino-2-phenylacetamido)-2-((4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-……
cas no: | chemical formula:c48h57n9o12s3|(4s,4's)-2,2'-((1r,7r,13r)-1-amino-14-(((2s,5r,6r)-2-carboxy-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptan-……
cas no: | chemical formula:c24h29n5o6s2|(2s,5r,6r)-6-((2s,5r,6r)-6-((r)-2-amino-2-phenylacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-……
cas no: | chemical formula:c24h29n5o6s2|(2s,5r,6r)-6-((r)-2-((r)-2-amino-2-phenylacetamido)-2-((2r,4s)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-3……
cas no:1426173-65-0||chemical formula:c16h14d5n3o4s||(2s,5r,6r)-6-[[(2rs)-2-amino-2-(phenyl-d5)acetyl]amino]-3,3-dimethyl-7 -oxo-4-thia-1-azabicyclo[3.2.0]hepta……
cas no:n/a||chemical formula:c39h39d5n8o10s2[2s-[2α[s*(2r*,5s*,6s*)],5α,6β(s*)]]-6-[[[[[6-[[[[(4-ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]phenylacetyl]amino……
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