5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((5-amino-5-carboxy-1-oxopentyl)amino)-3-(((3-(3,4-dihydroxyphenyl)-2-methoxy-1-oxo-2-propentyl)oxy)methyl)-7-methoxy-8-oxo-,monosodium salt, (6R-(6-alpha,7-alpha,7(R*)))- 55511-84-7 Antibiotic C 2801X sodium salt C 2801X sodium salt Takeda C 2801X sodium salt