CefalexinImpurity11;[6R-[6α,7β(R*)]]-7-[(AMinophenylacetyl)aMino]-3-Methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicAcid5-Oxide;CephalexinSulfoxideTrifluoroaceticAcidSalt;Imp.J:CephalexinSulfoxide;CefradineImpurity2;CephalexinSulfoxide;CephalexinSulfoxide/(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylicacid5-oxide;CefalexinSulfoxide
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