CN105732411A
|
|
System and process for recovering dimethylacetamide from cefuroxime axetil production waste liquor
|
CN105440052A
|
|
Preparation method of cefuroxime acid
|
CN104073543A
|
|
Method for synthetizing 7-amino-3-vinyl-cephalosporin ring-4-carboxylic acid
|
CN104072520A
|
|
Synthesis method of cefminox sodium
|
CN103435632A
|
|
Preparation method of cefuroxime axetil
|
CN103450223A
|
|
Preparation method of descarbamoyl cefuroxime
|
CN104230957A
|
|
Preparing method of cefuroxime acid and method of removing DCC lactone in preparation process of the cefuroxime acid
|
CN103102357A
|
|
Synthesis method of cefuroxime sodium
|
CN103012143A
|
|
Preparation method of 1-bromoethyl acetate
|
CN102898439A
|
|
Preparation method of descarbamoyl cefuroxime lactone
|
CN102757450A
|
|
Method for preparing cefonicid dibenzylethylenediamine salt
|