30246-33-4

TDA 7-TDA Cefazolin IMpurity A Cefazolin Impurity EP-A Cefazolin EP Impurity A Cefazolin USP Impurity K Cefuroxime nucleus (7-TDA) Cefazolin Sodium Impurity A Parent nucleus of cefazedone (7-TDA) Cefazolin Impurity 7(Cefazolin EP Impurity A) 7-AMINO-3-[(5-METHYL-1,3,4-THIADIAZOL-2-YL)THIOMETHYL]CEPHALOSPHORANIC ACID 7-Amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)-thiomethyl]-cephalosporanic aci 7-Amino-3-[[(5-methyl-1,3,4-thiadiazol-2yl)thiomethyl]-3-cephalosporanicacid 7-Amino-3-[(2-methyl-1,3,4-thiadiazol-5-ylthio)methyl]-3-cephem-4-carboxylic acid 7-Amino-3-([5-methyl-1,3,4-thiadiazol-2-yl] thiomethyl)-3-cephem-4-carboxylic acid (7r)-7-amino-3-[(5-methyl-1,3,4-thiadiazol-2-yl)thiomethyl]-3-cephem-4-carboxylicacid (7r)-7-amino-3[(5-methyl-1,3,4-thiadiazole-2-yl)thiomethyl]-3-cephem-4-carboxylic acid 7-ammonio-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 3,5-Dichloro-4-hydroxypyridine，7-Amino-3-[(5-methyl-1,3,4-thiadiazol- 2-ylthio)methyl]-3-cephem-4- carboxylic Acid (6R)-7α-Amino-3-(5-methyl-1,3,4-thiadiazol-2-ylthiomethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-7-amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid, 7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)thio]methyl]-8-oxo-, (6R,7R)- (6R-trans)-7-aMino-3-[[(5-Methyl-1,3,4-thiadiazol-2-yl)thio]Methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid (6R,7R)-7-amino-3-[[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanyl]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid