10590-10-0

Cephalonium lactone Cefalotin Impurity D Cefalonium Impurity C Cefoxitin EP Impurity C Cefalotin EP Impurity D Cefalonium EP Impurity C Deacetylcephalothin Lactone Cefalotin Sodium EP Impurity D Cefoxitin Impurity 3（Cefoxitin EP Impurity A） Cefoxitin Impurity 3(Cefoxitin EP Impurity C) Cefoxitin EP Impurity C (Cefalonium Impurity C) Cephalothin Impurity D(EP),Cefoxitin Impurity C(EP) Cefoxitin Impurity C(EP)， Cephalothin Impurity D(EP) N-((6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide 2-Thiopheneacetamide,N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]- N-((5aR)-1,7-dioxo-(5ar)-1,4,6,7-tetrahydro-3H,5aH-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6t-yl)-2-thiophen-2-yl-acetamide Cefalotin Sodium Impurity D: N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-2-Thiopheneacetamide( Deacetylcephalothin Lactone) Cefoxitin impurity 3/Cefoxitin EP Impurity C/Cephalothin EP Impurity D/N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide Cephalothin impurity 3/Cephalothin EP Impurity D/Cefoxitin EP Impurity CN-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide