26924-74-3 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-((5-amino-5-carboxy-1-oxopentyl)amino)-3-methyl-8-oxo-, (6R-(6alpha,7beta(R*)))- 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 7-(5-amino-5-carboxyvaleramido)-3-methyl-8-oxo- 7-((5-Amino-5-carboxy-1-oxopentyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid (6R-(6alpha,7beta(R*)))- Antibiotic WS 3442A De(acetyloxy)cephalosporin C Deacetoxycephalosphorin C Deacetoxycephalosporin C Desacetoxycephalosphorin C WS-3442-A