184696-69-3

Cefazedone Impurity 12 Ceftriaxone Impurity 23 Desacetyl-7-ACA Lactone Cefazedone Related Impurity 12 7-ACA Lactone（7-ACA Impurity 4） 6t-amino-(5ar)-5a,6-dihydro-3H,4H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7-dione (5aR,6R)-6-amino-5a,6-dihydroazeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(3H,4H)-dione (5aR,6R)-6-Amino-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione 6R,7R)-7-formamido-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 3H,7H-Azeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(4H)-dione, 6-amino-5a,6-dihydro-, (5aR,6R)-