Cefixime Impurity 3

Chemical Name: 2-((((Z)-1-(2-aminothiazol-4-yl)-2-(((6aR,7R)-1,8-dioxo-1,3,4,5,6a,7-hexahydro-8H-azeto[2,1-b]pyrano[3,4-d][1,3]thiazin-7-yl)amino)-2-oxoethylidene)amino)oxy)acetic acid